Resilience of Nature: The Rebirth of Big Basin Redwoods State Park
Explore the beauty of Big Basin Redwoods, California's oldest state park, as it reopens post-fire, presenting sequoia resilience and regrowth.
Average monthly water temperature in San Francisco, the United States of America
On this page you find the mean water temperature over the year in San Francisco (California), the United States of America. Discover when the water is at its warmest and coolest, perfect for planning your visit.
In San Francisco, water temperatures remain cool throughout the year. The warmest month is June, with an average water temperature of 14°C (57°F).
The coldest water temperature month is January, with an average temperature of 12°C (54°F). This temperature is not very suitable for swimming.
San Francisco Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Francisco - and find the best time to visit.
San Francisco 3-Day Forecast
More climate data for San Francisco
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full San Francisco climate overview or explore weather in the United States of America.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando
29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Resilience of Nature: The Rebirth of Big Basin Redwoods State Park
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.