San Diego Weather In December: What To Expect

San Diego in December offers a unique blend of mild temperatures and sunny skies, making it an attractive destination for those seeking respite from colder climates. With average daytime temperatures hovering around the mid-60s, it's an ideal time for outdoor activities and exploring the city's many attractions. However, it's essential to pack layers, as evenings can be cooler, and occasional rain showers are possible.

Typical December Weather Conditions in San Diego

December in San Diego is characterized by generally mild and pleasant weather. Typical daytime high temperatures average around 66°F (19°C), while nighttime lows hover around 50°F (10°C). These temperatures make it comfortable for most outdoor activities, although a light jacket or sweater is often needed, especially in the evenings. San Diego enjoys a Mediterranean climate, which translates to mild, wet winters and warm, dry summers. This consistent weather pattern contributes to the city's appeal as a year-round destination.

Sunshine is abundant even in December, with San Diego experiencing an average of 7 hours of sunshine per day. This ample sunlight allows for plenty of opportunities to enjoy the beaches, parks, and other outdoor attractions. While rain is more common in December than in the summer months, it's usually not excessive, with an average of about 2 inches of rainfall for the entire month. These showers are typically short-lived, and long periods of sunshine are still frequent.

The humidity in December remains relatively low, adding to the overall comfort. Breezes from the Pacific Ocean can sometimes make the air feel cooler, especially near the coast. Understanding these typical weather conditions helps visitors and residents alike prepare for the month, ensuring they can make the most of what San Diego has to offer.

Temperature Averages

Average high temperatures in December in San Diego typically reach around 66°F (19°C). These mild temperatures make it possible to enjoy outdoor activities such as hiking, biking, and exploring the city's many attractions without the discomfort of excessive heat. The average low temperature during December is about 50°F (10°C). While still relatively mild, these cooler temperatures mean that a jacket or sweater is necessary, especially during the evenings and early mornings.

San Diego's consistent temperatures are due to its Mediterranean climate. This climate pattern ensures that the city experiences moderate temperatures year-round, making it a popular destination for those seeking a comfortable and enjoyable climate. The stable temperature patterns in December allow residents and visitors to plan their activities with confidence, knowing that the weather will generally be pleasant and predictable.

Rainfall and Sunshine

Rainfall in San Diego during December is more frequent compared to the summer months, but it is generally not excessive. The city receives an average of about 2 inches (50 mm) of rain throughout the month. These rain showers are typically short-lived, and extended periods of sunshine are still common. The rainfall contributes to the lush greenery and vibrant landscapes that characterize the region.

Despite the increased chance of rain, San Diego still enjoys plenty of sunshine in December. On average, the city experiences about 7 hours of sunshine per day during the month. This ample sunlight allows for numerous opportunities to explore the outdoors, visit the beaches, and engage in various recreational activities. The combination of mild temperatures and abundant sunshine makes San Diego an appealing destination even during the winter months.

What to Pack for San Diego in December

Packing for a trip to San Diego in December requires considering the mild but variable weather conditions. The key is to bring layers that can be easily added or removed as the temperature fluctuates throughout the day. A light jacket, sweater, or fleece is essential for the cooler evenings and mornings. During the daytime, short-sleeved shirts and comfortable pants or shorts are usually sufficient.

Don't forget to pack sunscreen, sunglasses, and a hat to protect yourself from the sun, even though it's winter. The sun can still be quite strong, especially during midday. If you plan on swimming or spending time at the beach, a swimsuit and a beach towel are also good ideas. While the water may be cooler than in the summer, some brave souls still enjoy taking a dip in the Pacific Ocean.

Consider bringing an umbrella or a lightweight rain jacket in case of occasional showers. While rain is not constant, it's always wise to be prepared. Comfortable walking shoes are a must, as San Diego is a very walkable city with many attractions to explore. By packing appropriately, you can ensure you are comfortable and prepared for any weather conditions that may arise during your visit.

Clothing Recommendations

Layering is crucial when packing clothing for San Diego in December. Start with a base layer of short-sleeved shirts or tank tops that can be worn during the warmer parts of the day. Add a mid-layer such as a light sweater, fleece jacket, or long-sleeved shirt for cooler mornings and evenings. A lightweight outer layer, such as a jacket or windbreaker, is perfect for protecting against breezes or light rain.

Include a mix of pants, shorts, and skirts to accommodate the varying temperatures. Jeans, chinos, or comfortable pants are great for cooler days, while shorts and skirts can be worn during warmer afternoons. Don't forget to pack comfortable socks and shoes for walking and exploring the city.

For evenings out, consider bringing a slightly dressier outfit. San Diego has a vibrant dining and nightlife scene, so it's nice to have something a bit more stylish to wear. A light scarf or shawl can also be a useful accessory for adding warmth and completing your look.

Essential Accessories

Sun protection is vital, even in December. Pack sunscreen with a high SPF, sunglasses, and a hat to shield yourself from the sun's rays. The sun can be deceptively strong, especially when reflected off the water or sand.

A reusable water bottle is essential for staying hydrated. San Diego's dry climate can lead to dehydration, so it's important to drink plenty of water throughout the day. A small backpack or day bag is useful for carrying essentials such as water, snacks, sunscreen, and a camera while exploring the city.

Consider bringing a portable charger for your electronic devices. You'll likely be using your phone for navigation, taking photos, and staying connected, so it's helpful to have a backup power source. A small travel umbrella or rain jacket can be useful in case of unexpected showers.

Activities to Enjoy in San Diego in December

San Diego offers a wide range of activities to enjoy in December, taking advantage of the mild weather and festive atmosphere. From exploring the beaches to visiting holiday-themed attractions, there's something for everyone to enjoy. Balboa Park, with its numerous museums, gardens, and the San Diego Zoo, is a must-visit destination. The park is beautifully decorated for the holidays, with special events and exhibits. Muggsy Bogues's Exceptional Court Vision, Passing Skills, And Leadership Made Him A Fan Favorite For Many Seasons. Bogues's Exceptional Court Vision, Passing Skills, And Leadership Made Him A Fan Favorite For Many Seasons. He Played For The Charlotte Hornets Alongside Stars Like Larry Johnson And Alonzo Mourning, Forming One Of The Most Exciting Teams In The League During The 1990s. Bogues Was Known For His Outstanding Ball-handling, Passing Skills, And Defensive Prowess, Making Him A Vital Point Guard. [NBA.com](https://www.nba.com/) Has Plenty Of Information About Muggsy. His Ability To Handle The Ball And Lead A Team Was Second To None, And He Consistently Outperformed Expectations, Becoming A Beloved Figure. Bogues Proved That With Skill And Determination, One Could Overcome Any Obstacle. * **Earl Boykins (5'5")**: Earl Boykins Is The Second-shortest Player In NBA History. Despite His Height, Boykins Was Known For His Incredible Strength And Scoring Ability. Boykins Played 13 Seasons. Throughout His Career, Boykins Demonstrated The Power Of Perseverance, Showcasing His Ability To Score, Pass, And Play Tough Defense. His Tenacity Made Him A Difficult Opponent. He Proved That Size Is Not Everything. His Incredible Strength Allowed Him To Battle Against Much Bigger Players. Boykins's Career Is A Testament To Hard Work And Determination. He Left A Lasting Impact On The Game. * **Spud Webb (5'7")**: Known For His Incredible Athleticism, Spud Webb Was A High-flyer Who Won The 1986 NBA Slam Dunk Contest. Webb's Incredible Athleticism, Particularly His Dunking Ability, Was A Sight To Behold. His Surprising Victory Over Teammate Dominique Wilkins In The Slam Dunk Contest Is One Of The Most Iconic Moments In NBA History. Webb's Achievements Shattered The Perception Of What Shorter Players Could Accomplish, Inspiring Fans Worldwide. His Impact Extends Beyond His Athletic Abilities, Serving As A Reminder That Anything Is Possible With Dedication. * **Melvin

The beaches are still enjoyable in December, even if the water is a bit cooler. Take a walk along the shore, soak up the sun, or try your hand at surfing. La Jolla Cove is a popular spot for snorkeling and kayaking, with its clear waters and abundant marine life. For a festive experience, visit the San Diego Bay Parade of Lights, a dazzling display of decorated boats that takes place in December.

Explore the Gaslamp Quarter, a historic neighborhood with Victorian architecture, trendy restaurants, and lively bars. The Gaslamp Quarter is particularly festive during the holidays, with twinkling lights and holiday decorations. Consider taking a whale watching tour, as December is the start of the gray whale migration season. Several companies offer tours that take you out on the ocean to spot these magnificent creatures.

Outdoor Adventures

Hiking is a popular activity in San Diego year-round, and December is no exception. Torrey Pines State Natural Reserve offers stunning views of the Pacific Ocean and a variety of hiking trails to suit all fitness levels. Mission Trails Regional Park is another great option, with over 60 miles of trails winding through canyons and hills. Thunder Vs. Cavaliers: Stats, Analysis, And Game Predictions

Biking is a fantastic way to explore the city and its surroundings. Rent a bike and cycle along the Mission Bay Bike Path, which offers scenic views of the bay and the ocean. Coronado Island is another great place to bike, with its flat terrain and beautiful beaches.

Golfing is a popular pastime in San Diego, and December offers pleasant conditions for playing a round. Several world-class golf courses are located in the area, offering challenging play and stunning scenery. Fishing is another outdoor activity that can be enjoyed in December, with opportunities for both freshwater and saltwater fishing.

Holiday Festivities

San Diego comes alive with holiday festivities in December. Balboa Park hosts December Nights, a free holiday festival with food, music, and entertainment. SeaWorld San Diego celebrates Christmas with special shows, decorations, and festive treats.

The San Diego Zoo is transformed into a winter wonderland during Jungle Bells, with twinkling lights, festive decorations, and special animal encounters. Several neighborhoods throughout the city host holiday parades and tree lighting ceremonies.

Attend a performance of The Nutcracker, a classic holiday ballet, or visit a local Christmas market to find unique gifts and holiday treats. The Hotel Del Coronado, a historic beachfront hotel, hosts a spectacular ice-skating rink overlooking the ocean.

FAQ: San Diego Weather in December

What is the weather typically like in San Diego during December?

December in San Diego features mild and pleasant weather, with average daytime highs around 66°F (19°C) and nighttime lows near 50°F (10°C). You can expect sunny days with occasional rain showers, making it comfortable for outdoor activities with layered clothing. Ryan Hall's Twitter: Controversies & Discussions

How much rain does San Diego usually get in the month of December?

San Diego sees an average of about 2 inches (50 mm) of rain in December. Showers are generally brief, and sunshine remains frequent. It's wise to pack an umbrella or light rain jacket, but expect plenty of sunny days during your visit.

What should I pack to wear when visiting San Diego in December?

Packing layers is key for San Diego in December. Include short-sleeved shirts for warmer days, and sweaters or a light jacket for cooler evenings. Don't forget sunscreen, sunglasses, and comfortable walking shoes. A light rain jacket or umbrella is also a good idea.

Are the beaches in San Diego still enjoyable in December?

Yes, the beaches in San Diego can still be quite enjoyable in December. The water might be cooler, but the sunny weather makes it perfect for walks along the shore, sunbathing, or even surfing. La Jolla Cove is great for snorkeling and kayaking, too.

What outdoor activities can I enjoy in San Diego in December?

San Diego offers numerous outdoor activities in December, including hiking in Torrey Pines State Natural Reserve, biking along Mission Bay, and golfing at world-class courses. Whale watching tours are also popular as the gray whale migration begins during this month.

Are there any special holiday events or festivities in San Diego during December?

Absolutely! San Diego hosts many holiday events in December, such as December Nights in Balboa Park, Jungle Bells at the San Diego Zoo, and Christmas celebrations at SeaWorld. The San Diego Bay Parade of Lights is another dazzling spectacle to enjoy.

Is it possible to swim in San Diego beaches during December?

Swimming in San Diego beaches is possible in December, although the water will be cooler than in the summer months. Some people still enjoy swimming, surfing, and other water activities. Consider wearing a wetsuit for added warmth and comfort.

What is the humidity level like in San Diego during December?

The humidity in San Diego during December is generally relatively low, which adds to the overall comfort of the weather. Lower humidity levels can make the temperature feel more pleasant, especially when combined with the mild temperatures and sunshine.

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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