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Climate & Weather Averages in San Francisco, California, USA. Currently: 62 °F. Broken clouds. (Weather station: San Francisco International Airport, USA). See more current weather.
Find monthly temperature, precipitation and hours of sunshine averages for San Francisco, California. See a climate graph and chart with rainfall, temperatures and normals for San Francisco weather.
The hottest month of the year in San Francisco is September, with an average high of 72°F and low of 58°F. The cool season lasts for 2.0 months, from December 3 to February 4, with an average daily high temperature below 59°F. The coldest month of the year in San Francisco is January, with an average low of 46°F and high of 57°F.
Find out the average weather, temperature, rainfall, and sunshine hours for San Francisco and its surroundings. Learn about the Mediterranean climate with cool summers, the foggy and windy conditions, and the microclimates in different areas.
San Francisco averages just three days a year when the temperature reaches 90 degrees Fahrenheit, and even fewer over 100 (38 °C). No matter how warm the day, at night the temperature always cools to less than 70 degrees. The city's hottest days usually occur in September and October.
Feb 9, 2024 · Throughout the year, San Francisco experiences fairly consistent temperatures, with monthly averages hovering between 45.9°F (7.7°C) and 72.5°F (22.5°C). Relative humidity remains quite steady, oscillating around the 70% mark all year round, contributing to a humid and pleasant climate.
average temperature by month San Francisco. On average, the month of September experiences the highest temperature with an average value of 17.1 °C | 62.7 °F. During the month of January, the mean temperature registers at a minimum value of 9.6 °C | 49.2 °F. This represents the coldest monthly average throughout the entire year.
