San Francisco Weather In June: What To Expect

The weather in San Francisco, California, in June typically offers a pleasant and mild experience, characterized by cool mornings and evenings, often with sunshine during the day, and a characteristic coastal fog.

Understanding June Weather in San Francisco

June in San Francisco is often a surprise to visitors expecting warm summer sunshine. Instead, the city frequently experiences what locals call "June Gloom" or "Fogust" (though this is more pronounced in August). This phenomenon is driven by the cool waters of the Pacific Ocean meeting the warmer inland air. As the sun heats the land, it creates a low-pressure system that draws cool, moist air from the ocean inland. This air, as it moves over the city, cools further and condenses, forming the iconic San Francisco fog. While it might sound dreary, this fog often acts as a natural air conditioner, keeping temperatures moderate and preventing the extreme heat often found elsewhere in California during early summer.

The average high temperature in San Francisco during June hovers around the mid-60s Fahrenheit (about 18-19 degrees Celsius), with average lows in the mid-50s Fahrenheit (around 12-14 degrees Celsius). Rainfall is minimal in June, making it a relatively dry month. The days are long, offering plenty of daylight for exploring the city. The amount of sunshine can vary significantly. Some days might be bright and clear, especially in the afternoon and away from the immediate coast, while others can be heavily shrouded in fog throughout the day. The fog's density and persistence can change rapidly, influenced by wind patterns and the marine layer's depth. The city's microclimates are a significant factor; areas closer to the ocean, like the Richmond or Sunset districts, tend to be foggier and cooler than neighborhoods further inland, such as the Mission or Potrero Hill, which can be several degrees warmer and sunnier.

This unique weather pattern is a defining characteristic of San Francisco's climate. It's a result of its geography – a peninsula surrounded by the Pacific Ocean and San Francisco Bay – and the influence of the California Current, a cold ocean current that flows southward along the coast. The fog typically burns off by late morning or early afternoon in many areas, revealing a mild and often sunny day, but it can roll back in quickly as evening approaches. It's not uncommon to experience layers of clothing as a necessity, moving from a cool, foggy morning to a surprisingly pleasant, sunny afternoon, and then back to a cool, foggy evening. This makes dressing in layers a crucial strategy for anyone visiting or living in San Francisco during June. The humidity is generally moderate, increasing when the fog is present and decreasing when the sun is out. Chargers Vs. Patriots: Key Stats And Game Analysis

Average Temperatures and Precipitation

June in San Francisco typically sees average high temperatures ranging from 64°F to 68°F (18°C to 20°C). The average low temperatures usually fall between 53°F and 57°F (12°C to 14°C). For precipitation, June is one of the driest months of the year in San Francisco. The average rainfall is very low, often less than 0.1 inches (2.5 mm), making rain showers highly unlikely. This dry spell is typical of the California summer. The amount of sunshine can be deceptive due to the fog. While the sun may be shining inland, coastal areas can remain overcast for much of the day. For instance, the Inner Sunset or Outer Sunset districts, which are closer to the Pacific, are almost guaranteed to be foggy in the mornings and often well into the afternoon. In contrast, areas like the Mission District or Bernal Heights, located further east and at higher elevations, are more likely to experience clear, sunny skies.

What to Pack for San Francisco in June

Packing for San Francisco in June requires a strategic approach, prioritizing layers. Given the city's famously unpredictable and often cool weather, even in early summer, it's essential to be prepared for a range of temperatures and conditions within a single day. The key is to dress in versatile clothing that can be easily added or removed as the weather changes.

Start with a base layer, such as a t-shirt or a light long-sleeved shirt. Over this, you'll want to add a mid-layer. This could be a sweater, a fleece jacket, or a cardigan. The most crucial item for a San Francisco June is a windproof and water-resistant outer layer. A light jacket, a trench coat, or a windbreaker is ideal. Many visitors underestimate the need for a jacket, even on sunny-looking days, because the ocean breeze can be surprisingly chilly, especially near the waterfront or when the fog rolls in.

Avoid packing only shorts and tank tops, as you'll likely find yourself shivering. Comfortable walking shoes are an absolute must, as San Francisco is a city best explored on foot, and many of its famous attractions involve hills. Jeans or comfortable trousers are a good choice for the lower body. For evenings, especially if you plan to dine out or enjoy the city's nightlife, a slightly warmer jacket or a stylish sweater might be appropriate.

Even if the forecast predicts sunshine, always have a jacket or sweater readily accessible. The fog can descend quickly and dramatically lower the temperature. Scarves and hats can also be useful accessories, providing extra warmth when needed. For footwear, sturdy sneakers or comfortable walking shoes are paramount. If you plan any activities near the water, like visiting Alcatraz or walking along the Embarcadero, a slightly warmer jacket might be beneficial. Remember that many San Francisco restaurants and bars have a casual dress code, so practicality and comfort often trump high fashion, especially during the day. Sunscreen is still advisable, as even on foggy days, UV rays can penetrate, particularly during peak daylight hours.

Essential Clothing Items

When planning your wardrobe for San Francisco in June, focus on versatility. Essential items include:

  • Lightweight, packable jacket: A waterproof or water-resistant and windproof jacket is non-negotiable. It should be easy to carry and store when not in use.
  • Sweaters and fleeces: Several medium-weight sweaters or fleece jackets will provide warmth for cooler mornings and evenings.
  • Long-sleeved shirts and t-shirts: These serve as excellent base layers.
  • Comfortable pants/jeans: Suitable for most daytime activities and cool enough for the weather.
  • Comfortable walking shoes: Essential for navigating the city's hilly terrain.
  • Scarf (optional but recommended): A light scarf can add a significant layer of warmth around the neck.

Even if the weather forecast looks sunny, the marine layer can quickly change conditions. Therefore, always be prepared to layer up. This approach ensures you can enjoy the city comfortably, regardless of whether the sun is shining brightly or the iconic fog is present. NBA Playoffs 2016: Complete Bracket, Results, And Key Matchups

Activities and Sightseeing in San Francisco's June Weather

San Francisco's unique June weather doesn't hinder sightseeing; in fact, it can enhance certain experiences. The mild temperatures are ideal for walking tours, exploring the city's diverse neighborhoods, and visiting its many attractions without the discomfort of intense heat. The characteristic fog can add a dramatic and atmospheric backdrop to iconic landmarks, creating memorable photo opportunities.

Golden Gate Bridge: While fog can obscure views, it also lends a mystical quality to the bridge. On clearer days, the views are spectacular. Consider visiting early in the morning before the fog fully sets in or later in the afternoon when it might start to burn off. The warmer, sunnier weather often prevails inland, so a walk or bike ride across the bridge can be quite pleasant, though always be prepared for wind and potential fog.

Alcatraz Island: The ferry ride to Alcatraz offers stunning city views, and the island itself is fascinating to explore. The weather on the island can be windier and cooler than on the mainland, so bringing layers is essential. Fog can sometimes impact ferry schedules, so checking in advance is advisable.

Fisherman's Wharf and Pier 39: These popular tourist spots are lively in June. The sea air can be cool, and fog is common, especially in the mornings. Enjoying seafood, watching the sea lions, and exploring the shops are enjoyable activities, but remember to bring a jacket.

Golden Gate Park: This vast urban park offers numerous attractions, including the California Academy of Sciences, the de Young Museum, the Japanese Tea Garden, and the Conservatory of Flowers. The park experiences San Francisco's microclimates, so expect variations. A sunny afternoon here can be delightful, but mornings can be cool and foggy. The park is perfect for leisurely strolls or bike rides.

Cable Cars and Neighborhood Exploration: Riding the historic cable cars is a quintessential San Francisco experience, and June's mild weather makes it more enjoyable. Explore neighborhoods like Chinatown, North Beach, the Mission District, or Haight-Ashbury. The city's hills are best tackled with comfortable shoes and layers, as sunny spots can be surprisingly warm, while shaded areas or windy corners can be quite chilly.

Museums and Indoor Attractions: For days when the fog is particularly persistent or the wind is strong, San Francisco offers world-class indoor attractions. The Exploratorium, the San Francisco Museum of Modern Art (SFMOMA), and the aforementioned museums in Golden Gate Park provide excellent options for cultural immersion. These are always a good bet, regardless of the weather outside.

Day Trips: If the weather is clearer, consider a day trip to Muir Woods National Monument to see the majestic redwood trees, or to Sausalito for charming waterfront views. Napa and Sonoma wine regions are also accessible, though June can be a busy time for wine tourism.

Fog's Impact on Activities

The fog's presence is a significant factor in planning outdoor activities. While it can obscure distant views, it often creates a unique, dramatic ambiance. For photographers, the fog can be a blessing, offering moody shots of landmarks like the Golden Gate Bridge. For those seeking panoramic vistas, it's best to check the local webcams or weather reports for the clearest times of day, often mid-afternoon. The marine layer generally provides a refreshing coolness, making walking and cycling more comfortable than in hotter climates. The key takeaway for activities is to remain flexible and prepared. Embrace the fog as part of the San Francisco experience rather than viewing it as an impediment. Always have your layers handy, and you'll find that June offers a wealth of opportunities for exploration and enjoyment. Check out the San Francisco Travel Association for more local insights.

Frequently Asked Questions about San Francisco in June

Is it usually sunny in San Francisco in June?

June in San Francisco is often characterized by coastal fog, particularly in the mornings and evenings. While inland areas may experience sunshine, coastal neighborhoods can remain overcast. It's not consistently sunny like many other summer destinations. Leganés Vs Cádiz: LaLiga Hypermotion Thriller Ends In Draw

What is the average temperature in San Francisco during June?

The average high temperatures in June typically range from the mid-60s Fahrenheit (around 18-20°C), with average lows in the mid-50s Fahrenheit (around 12-14°C). It's generally mild and cool.

Do I need to pack a heavy coat for San Francisco in June?

A heavy coat is usually not necessary. However, a warm, windproof, and water-resistant jacket or a medium-weight sweater is highly recommended due to the cool ocean breeze and frequent fog.

Is June a good month to visit San Francisco for outdoor activities?

June offers mild temperatures suitable for outdoor activities. However, visitors should be prepared for fog and wind, which can affect visibility and add a chill, especially near the coast.

What kind of shoes should I wear in San Francisco in June?

Comfortable walking shoes are essential, as San Francisco is hilly and best explored on foot. Sneakers or sturdy walking shoes are ideal for navigating the city's streets and attractions.

Can I expect rain in San Francisco during the month of June?

Rain is very uncommon in June in San Francisco. It is one of the driest months of the year, with minimal average rainfall, making it unlikely to encounter significant precipitation.

How does the fog affect sightseeing in San Francisco during June?

The fog can obscure distant views and landmarks like the Golden Gate Bridge. However, it also adds a unique, atmospheric quality to the city's scenery and can create dramatic photographic opportunities.

Should I bring sunscreen to San Francisco in June even if it's foggy?

Yes, sunscreen is recommended. UV rays can still penetrate fog, especially during peak daylight hours, and on days when the fog burns off, direct sunlight can be strong. You can find more weather information at the National Weather Service. For travel tips, check out Visit California. For a deeper dive into the science of fog, consult NOAA. The San Francisco Travel Association is also a great resource.

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