San Francisco is a city of approximately 828,000 people in California, United States. Located in the Pacific Time Zone at 37.8°N latitude.
In 2025, San Francisco recorded an average annual temperature of 57°F — about 1.0°F below the 30-year normal of 58°F. The hottest day reached 89°F in September; the coldest was 39°F in January. Total precipitation was 21 inches (near normal). The wettest month was February.
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