Santa Barbara Weather By Month: Your Ultimate Guide

The coastal city of Santa Barbara, California, offers a Mediterranean climate, making it an appealing destination year-round. This comprehensive guide provides an in-depth look at the weather in Santa Barbara by month, covering average temperatures, rainfall, sunshine hours, and the best times to visit for various activities. Whether you're planning a beach vacation, outdoor adventures, or simply want to know what to expect, this article will help you navigate the Santa Barbara weather patterns throughout the year.

January: Crisp Air and Occasional Showers

January in Santa Barbara typically brings cooler temperatures and the highest chance of rainfall. The average high hovers around 64°F (18°C), while the low dips to about 48°F (9°C). You can expect approximately 5 to 7 days of rain during the month, with the total rainfall averaging around 2 to 3 inches. The sunshine is still plentiful, however, with about 6 hours of sunshine per day, making it a pleasant time for outdoor activities when the sun is out.

Specifically, the weather in Santa Barbara during January is often characterized by crisp, cool air and the occasional shower, creating a cozy atmosphere for locals and visitors alike. The Pacific Ocean's influence moderates the temperatures, preventing extreme heat or cold, and contributing to a mild winter overall. It’s a great time to explore the city's museums, art galleries, and indulge in some delicious comfort food at local restaurants.

Furthermore, the January weather in Santa Barbara presents a unique opportunity for those who appreciate the beauty of a rainy day, since the precipitation tends to be concentrated in short bursts, followed by periods of sunshine. This allows for flexibility in planning your daily activities and still enjoying the outdoor attractions. Remember to pack layers and waterproof gear to stay comfortable and prepared for varying weather conditions.

During January, Santa Barbara’s weather can be ideal for enjoying the scenic beauty of the area, with lush, green landscapes and a less crowded feel compared to the peak tourist seasons. Consider visiting the Santa Barbara Botanic Garden or taking a leisurely stroll along the beach. The combination of cooler temperatures, occasional rain, and sunny spells makes January an appealing time to visit for those seeking a tranquil getaway or those who love a slightly quieter experience.

In addition, the city's festive spirit from the holiday season often lingers into January, with many events and activities still taking place. The cooler weather provides an excellent backdrop for cozy gatherings, romantic evenings, and exploring the city's cultural offerings. The Santa Barbara weather forecast during this month suggests that you can anticipate a pleasant mix of sunshine and rain, so be prepared for all possibilities.

However, remember that while the weather in Santa Barbara in January is generally mild, sudden changes can occur, especially regarding rainfall. Always check the latest weather forecast before heading out and plan accordingly. This will ensure a more enjoyable and comfortable experience during your visit, allowing you to make the most of what Santa Barbara has to offer during this time of year.

This is also a good time to witness the migration of the gray whales, as they pass along the coast. Consider taking a whale-watching tour for an unforgettable experience.

February: Mild Temperatures and Blooming Landscapes

February in Santa Barbara sees a gradual shift towards warmer temperatures and blossoming landscapes. The average high starts to climb, reaching around 66°F (19°C), while the lows remain comfortable at about 50°F (10°C). Rainfall decreases slightly compared to January, with around 1 to 2 inches spread over 4 to 6 days. The sunshine increases, providing around 7 hours of daylight per day, making it a great time for outdoor activities. Days Until August 2nd: Your Countdown Guide

In February, the Santa Barbara weather usually brings with it an enhanced sense of spring with its mild temperatures and the flowering of local plants. The city begins to embrace the transition from winter to spring with slightly warmer temperatures and the blossoming of the local flora. The gentle warmth and extended sunshine make it a particularly attractive time to visit, especially for those looking to escape colder climates.

Moreover, the weather in Santa Barbara during February is generally conducive to a range of outdoor activities, from hiking and biking to simply relaxing on the beach. The reduced rainfall and increasing sunshine create an ideal environment for exploring the natural beauty of the area. The city’s parks and gardens begin to burst with color, offering picturesque views and a sense of renewal.

Furthermore, the slightly longer daylight hours in February allow for extended exploration of Santa Barbara's attractions. This includes the iconic Santa Barbara Mission, State Street's shops and restaurants, and the scenic Stearns Wharf. The mild temperatures also make it comfortable for exploring the city on foot, soaking in the atmosphere, and enjoying the coastal views.

During February, visitors to Santa Barbara can enjoy the best of both worlds: the mild temperatures of a Southern California winter and the anticipation of spring's arrival. Consider planning a romantic getaway, a family vacation, or a solo trip during this time of the year to take advantage of the favorable weather conditions and blossoming surroundings.

Specifically, the Santa Barbara weather conditions in February contribute to the city's allure, making it an excellent choice for a winter escape. The gentle increase in temperature and sunshine encourages outdoor activities, while the fewer crowds of the off-season allow for a more relaxed experience. Prepare for a pleasant and refreshing time, with plenty of opportunities to create lasting memories.

It's also worth noting that February often features fewer tourists than the peak summer months, providing a more intimate experience. This makes it a great time to visit popular spots like the Santa Barbara Zoo or the historic El Paseo complex, enjoying the sights and attractions without the usual hustle and bustle. Remember to pack layers to accommodate the slight temperature variations throughout the day and evening.

March: Transition to Spring and Pleasant Conditions

March in Santa Barbara heralds the official start of spring, with continued warming and generally pleasant weather. The average high temperature rises to around 68°F (20°C), while the low hovers around 52°F (11°C). Rainfall continues to decrease, with approximately 1 inch spread over 3 to 4 days. Sunshine hours increase further, providing around 8 hours of daylight per day, offering ample time for outdoor adventures.

In Santa Barbara, the weather in March typically embodies the transition to spring, with continued warming and pleasant conditions that welcome outdoor activities. The shift toward longer daylight hours and blooming landscapes makes this a beautiful time to visit. The mild climate provides the perfect setting for exploration, relaxation, and enjoyment of the city's attractions.

Besides, the weather during March in Santa Barbara is characterized by the gradual increase in temperature, the diminishing chance of rain, and the vibrant awakening of nature. The city experiences a surge of energy as locals and visitors alike begin to embrace the outdoors. This time of year offers a harmonious balance of pleasant weather, making it suitable for various activities.

Additionally, the extended daylight in March allows for longer days of exploration. Consider taking a bike ride along the coast, exploring the Channel Islands National Park, or enjoying a picnic at one of the city's many parks. The weather is generally consistent enough to allow for comfortable outdoor enjoyment without any of the extremes of the peak summer season.

Furthermore, the March weather in Santa Barbara is favorable for a range of events and festivals that often take place during this time of year. From outdoor concerts to art festivals, there are plenty of activities to keep visitors entertained. The blend of sunshine, mild temperatures, and a blossoming landscape makes March a standout time to visit Santa Barbara.

As a result, visitors can look forward to a pleasant and refreshing time, with plenty of opportunities to create lasting memories in Santa Barbara during March. From exploring the historical sites to simply enjoying the scenic beauty, the city offers a wealth of experiences. Prepare to be charmed by the pleasant weather and enjoy the blooming surroundings of this Southern California gem.

Remember to pack light layers, as the temperature can fluctuate throughout the day. Also, be prepared for occasional rain showers, although they are usually brief. Overall, the weather in Santa Barbara in March is generally inviting and enjoyable, providing an excellent time to visit and explore.

April: Sunshine and Warmer Days

April in Santa Barbara marks the arrival of warmer and sunnier weather. The average high climbs to around 70°F (21°C), and the lows reach about 54°F (12°C). Rainfall is minimal, with less than 1 inch expected over just a few days. Sunshine is abundant, with approximately 9 hours of daylight per day, making it an ideal time for outdoor adventures.

Notably, the Santa Barbara weather in April brings a surge of warmth and sunshine, making it a fantastic time to visit for those seeking pleasant outdoor experiences. The combination of warmer temperatures and extended sunshine transforms the city into a vibrant and inviting destination. This is also a great time for various recreational activities, from beach outings to exploring the surrounding natural beauty.

Besides, the April weather in Santa Barbara is typically characterized by its warmth, sunshine, and minimal rainfall, which creates a perfect environment for enjoying the outdoors. With temperatures climbing, the days become ideal for swimming, sunbathing, and exploring the city's numerous attractions. This time of year is one of the most popular for tourists and locals alike.

Moreover, the extended sunshine in April provides ample opportunities to explore the city’s scenic beauty. Visit the Santa Barbara Zoo, enjoy a picnic at one of the local parks, or take a leisurely stroll along the beach. The weather is consistently enjoyable, allowing for maximum comfort and enjoyment of all the area has to offer.

Additionally, the Santa Barbara weather in April is perfect for attending events and festivals. The warmer days and sunny skies create an enjoyable atmosphere for outdoor concerts, art shows, and cultural celebrations. With a wide range of activities to enjoy, April offers something for everyone.

Therefore, April presents a perfect blend of warmth, sunshine, and minimal rainfall, making it one of the best times to experience all that Santa Barbara has to offer. From outdoor activities to cultural events, the city comes alive in April. Expect to have a fantastic time with plenty of opportunities to create lasting memories. Pack your sunscreen, sunglasses, and a light jacket for cooler evenings, and get ready for a wonderful trip!

May: Blissful Days and Coastal Breezes

May in Santa Barbara continues the trend of pleasant weather, with even warmer temperatures and refreshing coastal breezes. The average high reaches around 72°F (22°C), and the lows average around 57°F (14°C). Rainfall is minimal, with a very low chance of precipitation. Sunshine hours are at their peak, with around 10 hours of daylight per day, making it an ideal time for outdoor activities.

In Santa Barbara, the weather in May typically offers blissful days and refreshing coastal breezes, providing an idyllic setting for visitors and locals alike. The warm temperatures and long sunny days create a perfect atmosphere for outdoor adventures. This time of year is one of the most enjoyable, with a wide variety of recreational activities to choose from.

Additionally, the weather in Santa Barbara during May is perfect for exploring the numerous beaches, parks, and outdoor attractions that the city has to offer. Consider taking a bike ride along the coast, exploring the Santa Ynez Mountains, or simply relaxing on the beach. With minimal rainfall and consistently warm weather, you are guaranteed a perfect time.

Furthermore, the pleasant weather conditions in May create an excellent environment for cultural events and activities. Outdoor concerts, art festivals, and cultural celebrations are abundant. This time of the year is marked by a festive atmosphere and provides an array of entertainment to suit everyone's interests.

Also, the extended sunshine hours in May offer ample opportunities for exploring the scenic beauty of Santa Barbara. Enjoy whale watching tours, visit the Santa Barbara Mission, or explore the unique shops and restaurants on State Street. The warm temperatures and gentle breezes enhance the overall experience.

During May, the weather in Santa Barbara is undoubtedly inviting and provides the perfect backdrop for a memorable visit. The warm temperatures and refreshing ocean breezes create a comfortable environment. Enjoy the many opportunities to create lasting memories during this time of year. So, grab your sunscreen, pack light clothing, and prepare for a fantastic trip!

June: Summer Begins with Warmth and Sunshine

June in Santa Barbara marks the official start of summer, bringing consistently warm temperatures and plenty of sunshine. The average high climbs to around 74°F (23°C), and the lows are about 60°F (16°C). Rainfall is negligible, with virtually no precipitation expected. Sunshine hours remain high, with approximately 10 hours of daylight per day, providing ample time for all sorts of activities. Steelers' Salute To Service: Honoring Military Heroes

When it comes to the weather in Santa Barbara, June begins the summer season with consistent warmth and abundant sunshine. The city experiences a surge in temperatures, alongside clear skies, making this a highly enjoyable time for outdoor activities and exploration. This time of year is also popular among tourists seeking sun-filled vacations.

Also, the weather during June in Santa Barbara is conducive to many outdoor adventures. With warm temperatures and low chances of rain, the city's beaches, parks, and trails are at their best. From swimming and sunbathing to hiking and biking, the possibilities are endless. The long daylight hours provide ample time to indulge in all that Santa Barbara has to offer.

Furthermore, the Santa Barbara weather during June provides an excellent backdrop for cultural events and activities. Many outdoor concerts, art fairs, and cultural celebrations take place during this time, enriching the city's vibrant atmosphere. With warm weather and abundant sunshine, there's something for everyone to enjoy.

Additionally, the extended sunshine in June offers many opportunities for exploring Santa Barbara's scenic beauty. From whale-watching tours to visiting the Santa Barbara Mission, there are many attractions to experience. The pleasant climate and extended daylight enhance the enjoyment and encourage visitors to create memorable experiences.

As a result, if you are visiting Santa Barbara in June, you will be able to expect warm and sunny conditions. The weather is ideal for a variety of activities, from beach outings to outdoor adventures. Pack your sunglasses, sunscreen, and light clothing, and get ready to enjoy a fantastic trip. The abundance of sunshine will enable you to fully appreciate the city's stunning natural beauty.

July and August: Peak Summer with Warm Days and Clear Skies

July and August in Santa Barbara are the peak summer months, bringing the warmest temperatures and consistently clear skies. The average high hovers around 76°F (24°C), and the lows are approximately 62°F (17°C). Rainfall is virtually non-existent, with almost no precipitation expected. Sunshine is at its maximum, with around 10 to 11 hours of daylight per day, perfect for outdoor adventures.

During July and August, the Santa Barbara weather epitomizes the peak summer experience with its warm days and clear skies. These months offer consistently high temperatures, creating the perfect setting for enjoying the beaches, outdoor activities, and the city's vibrant atmosphere. It's a popular time for tourism, with plenty of events and attractions to explore.

Subsequently, the weather in Santa Barbara during July and August is characterized by its warmth, sunshine, and minimal rainfall. This combination creates an ideal environment for a variety of activities, from sunbathing and swimming to exploring the city's attractions. This time of year truly makes the most of summer.

Also, the abundant sunshine in July and August offers many opportunities to explore Santa Barbara's scenic beauty. Consider taking a whale-watching tour, visiting the Santa Barbara Zoo, or strolling through the Santa Barbara Botanic Garden. The clear skies and warm temperatures ensure a comfortable and enjoyable experience.

Additionally, the weather during these months makes it ideal for attending outdoor events and festivals. With many outdoor concerts, art fairs, and cultural celebrations taking place, you’ll find endless entertainment options. The festive atmosphere is at its peak, providing something for everyone to enjoy.

Furthermore, the consistently warm temperatures and clear skies create an ideal setting for visitors and locals to create lasting memories. Whether relaxing on the beach or exploring the city's historical sites, July and August offer the perfect blend of warmth, sunshine, and endless possibilities. Plan to pack light clothing, sunscreen, and sunglasses for a comfortable and enjoyable trip.

September: Warm Days, Cooling Evenings

September in Santa Barbara is a beautiful time to visit, as the warm summer days transition into slightly cooler evenings. The average high remains around 76°F (24°C), and the lows start to dip slightly, reaching about 60°F (16°C). Rainfall remains minimal, with very little precipitation. Sunshine hours are still plentiful, with approximately 9 hours of daylight per day, making for comfortable outdoor enjoyment.

Generally, the weather in Santa Barbara during September offers a delightful blend of warm days and cooling evenings, providing a refreshing contrast to the peak summer heat. The continued sunshine and comfortable temperatures make it an excellent time for outdoor activities and explorations. It is perfect for those who enjoy the combination of warmth and pleasant breezes.

Moreover, the weather during September in Santa Barbara is characterized by its transition from summer to fall, with slightly cooler evenings and a continued warm daytime. The city experiences clear skies and minimal rainfall, ensuring perfect weather for enjoying the beaches and outdoor attractions. This time of year strikes a harmonious balance between the warmth of summer and the gentle embrace of autumn.

Also, the warm days and cooling evenings of September encourage a range of activities, from swimming and sunbathing to hiking and biking. The extended daylight hours provide ample time to indulge in all that Santa Barbara has to offer. From exploring the city's attractions to participating in local events, you can always find something to do.

During September, Santa Barbara’s weather presents ideal conditions for enjoying the many outdoor events and festivals that take place. Outdoor concerts, art festivals, and cultural celebrations create a vibrant atmosphere. This month is a great time to visit and experience the rich culture the city has to offer. From cultural events to the natural beauty of the area, September is a great time to visit.

So, September provides visitors and locals alike with warm days, cooling evenings, and a pleasant climate for all sorts of activities. Pack light clothing, a light jacket for the evenings, and sunscreen for the day, and prepare to enjoy the perfect weather. From outdoor adventures to enjoying the local culture, September offers a wonderful experience.

October: Mild and Sunny, with a Hint of Fall

October in Santa Barbara continues the trend of pleasant weather, with mild and sunny conditions, and a subtle hint of fall. The average high cools slightly to around 74°F (23°C), and the lows drop to about 56°F (13°C). Rainfall remains low, with very little precipitation expected. Sunshine hours are still favorable, with about 8 hours of daylight per day, making it perfect for exploration.

Notably, the weather in Santa Barbara during October offers mild and sunny conditions, combined with a subtle hint of fall, making it a very comfortable time to visit. The decrease in temperature from the peak summer months creates a perfect setting for outdoor activities and explorations. This is a great time to experience the beauty of Santa Barbara with its many cultural and natural attractions.

Besides, the weather in October in Santa Barbara is generally mild, offering a mix of sunny days, and cooler evenings, which is a perfect blend of conditions. With the leaves beginning to change colors, the city exudes a unique charm that’s different from other seasons. The moderate temperatures make it conducive for a wide variety of outdoor activities.

Moreover, the extended sunshine during October provides many opportunities to explore Santa Barbara’s beauty. From strolling through the city’s many parks and gardens to exploring the unique shops and restaurants, this is a time of year to appreciate the scenic beauty. The beautiful weather also encourages a relaxed pace of exploring the surroundings.

Additionally, the Santa Barbara weather during October creates the ideal conditions for events and festivals. Many outdoor concerts, art fairs, and cultural celebrations take place during this month. With a wide range of activities to enjoy, October offers something for everyone. Make plans to pack a light jacket for the evenings and sunscreen for the day to make sure you have a wonderful time.

Also, the weather in Santa Barbara during October is a blend of mild temperatures, sunshine, and a touch of autumn, making it a great time to visit. Pack your light layers and your sense of adventure. Explore the city, enjoy the local culture, and make lasting memories. From the beautiful weather to all the activities, you’ll be able to create the perfect vacation!

November: Cooler Temperatures and Early Rainfall

November in Santa Barbara sees a further decrease in temperatures and the potential for early rainfall, heralding the approach of winter. The average high drops to around 68°F (20°C), and the lows reach about 50°F (10°C). Rainfall begins to increase, with around 1 to 2 inches expected over several days. Sunshine hours decrease, with approximately 7 hours of daylight per day, still offering pleasant conditions.

In November, the Santa Barbara weather generally brings cooler temperatures and a higher chance of rainfall, indicating the start of the winter season. As temperatures decrease, the city begins to transition into a more temperate climate. While the chance of rainfall increases, the city still maintains its appeal. It offers plenty of indoor and outdoor attractions and is an enjoyable destination.

Furthermore, the weather conditions in November in Santa Barbara are characterized by a noticeable drop in temperature and an increased chance of rain. However, the city remains inviting, with its mild climate and a variety of indoor activities. Pack layers and prepare for both sunny spells and occasional showers. Remember to stay informed about weather forecasts before your visit.

Additionally, the cooler temperatures and increased rainfall in November create a perfect atmosphere for enjoying indoor activities. Consider visiting local museums, art galleries, or enjoying a cozy meal at one of Santa Barbara's excellent restaurants. The city still provides many opportunities for entertainment during the less sunny periods.

Also, the Santa Barbara weather in November does offer ample opportunities for outdoor activities. Consider visiting the Santa Barbara Botanic Garden or taking a leisurely stroll along the beach. The combination of cooler temperatures, occasional rain, and sunny spells makes November an appealing time to visit for those seeking a more tranquil experience.

So, the weather in November in Santa Barbara is transitioning into winter, with cooler temperatures and a higher chance of rain. The city still has plenty of appeal, with a variety of indoor and outdoor activities. Pack your layers and prepare for sunshine and showers. With some planning, this is a great time to enjoy what Santa Barbara has to offer. Make sure to check the weather forecast before you go.

December: Cool and Often Wet

December in Santa Barbara brings cooler temperatures and a higher probability of rain, fully embracing the winter season. The average high is around 64°F (18°C), and the lows are approximately 48°F (9°C). Rainfall is significant, with around 2 to 3 inches expected over several days. Sunshine hours are at their lowest, with about 6 hours of daylight per day, but the city remains charming and festive.

In Santa Barbara, the weather in December is characterized by cooler temperatures and an increased chance of rain, firmly embracing the winter season. The decrease in temperature and the potential for rainfall transform the city, creating a festive and cozy atmosphere. It's a time when indoor activities and holiday events become the main focus.

Moreover, the weather during December in Santa Barbara offers a mix of sunshine and rain, creating an intimate atmosphere. While the rainfall increases, the city remains charming with its holiday decorations, providing a magical experience for visitors and locals alike. It’s a great time to explore the many attractions that are available in Santa Barbara.

Furthermore, the cool temperatures and increased rainfall encourage indoor activities, from visiting museums to enjoying cozy meals at local restaurants. The city also hosts many festive events during December, providing a rich cultural experience for all visitors. The combination of cool weather and holiday celebrations makes this a time of year that’s truly special.

Also, while the sun shines less frequently during December, the city's natural beauty still shines. You can enjoy leisurely strolls along the beach or visit the Santa Barbara Botanic Garden. The contrast of the cool weather with the area’s beauty creates a unique and memorable experience.

So, with cooler temperatures and a higher chance of rain, the weather in Santa Barbara during December perfectly reflects the winter season. The city transforms into a festive and cozy destination, perfect for indoor activities and holiday celebrations. Pack warm clothing and prepare for a magical trip! Make sure to stay up to date with the weather forecast during your visit.

Best Time to Visit Santa Barbara

The best time to visit Santa Barbara depends on your preferences. For the warmest weather and the most sunshine, the summer months of July and August are ideal. However, these are also the busiest and most expensive times to visit. Spring (April to May) and fall (September to October) offer a good balance of pleasant weather and fewer crowds. Winter (November to March) is the least crowded, with cooler temperatures and a higher chance of rain, but it also has its charm.

Conclusion

In conclusion, the weather in Santa Barbara varies throughout the year, with each month offering a unique experience. From the warm, sunny days of summer to the cooler, occasionally rainy days of winter, Santa Barbara has something to offer year-round. By understanding the monthly weather patterns, you can plan your trip to Santa Barbara and make the most of your visit, whether you’re seeking sun, adventure, or a relaxing getaway. Remember to check the latest weather forecast before your trip to ensure you are prepared for any conditions.

FAQ

What is the average temperature in Santa Barbara in July?

The average high temperature in Santa Barbara in July is approximately 76°F (24°C). The lows are around 62°F (17°C), making it one of the warmest months of the year.

Does it rain a lot in Santa Barbara?

No, Santa Barbara generally experiences a Mediterranean climate with relatively low rainfall. The majority of the rain falls during the winter months, with July and August being the driest months. The average annual rainfall is around 18 inches.

When is the best time to go whale watching in Santa Barbara?

The best time for whale watching in Santa Barbara is during the migration seasons. Gray whales migrate from December to May, while blue whales are often seen from late summer through fall. Check local tour schedules for the most up-to-date information. https://www.santabarbarawharf.com/whale-watching/

What is the typical weather in Santa Barbara in the spring?

Spring in Santa Barbara (March, April, and May) is characterized by increasing temperatures, sunshine, and minimal rainfall. Average highs range from 68°F (20°C) to 72°F (22°C), making it a perfect time for outdoor activities and enjoying the blossoming landscapes.

What should I pack for a trip to Santa Barbara?

Packing for Santa Barbara depends on the time of year. Generally, you should pack layers, including light clothing, a light jacket, and sunscreen. In the winter months, consider waterproof gear. Always check the weather forecast and pack accordingly, considering both warm and cool weather options.

Is it cold in Santa Barbara in the winter?

While Santa Barbara winters are mild compared to many other places, the temperatures are cooler than the summer months. The average high temperatures in December, January, and February are in the low to mid-60s °F, with lows in the high 40s and low 50s °F. It does rain more frequently during this time, too. St. Joseph, Michigan Weather: Forecasts, Climate & Safety Guide

Santa Barbara offers a plethora of outdoor activities. Popular options include visiting the beaches, hiking in the Santa Ynez Mountains, biking along the coast, whale watching, and exploring the Channel Islands National Park. The city's Mediterranean climate makes outdoor activities enjoyable year-round.

Are there any events or festivals in Santa Barbara throughout the year?

Yes, Santa Barbara hosts a variety of events and festivals throughout the year. Notable events include the Santa Barbara International Film Festival, the Old Spanish Days Fiesta, and various art and music festivals. Check the local event calendars for current events during your visit. https://www.santabarbaraca.com/events/

Photo of Robert M. Wachter

Robert M. Wachter

Professor, Medicine Chair, Department of Medicine ·

Robert M. Bob Wachter is an academic physician and author. He is on the faculty of University of California, San Francisco, where he is chairman of the Department of Medicine, the Lynne and Marc Benioff Endowed Chair in Hospital Medicine, and the Holly Smith Distinguished Professor in Science and Medicine