The climate in San Francisco during March can be summarized as very hot, humid and very dry.
March is in the spring in San Francisco and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (75°F) is normal.
Daytime temperature | 32.9°C 91.1°F |
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Nightly temperature | 23.8°C 74.8°F |
Average temperature | 28.3°C 82.9°F |
Daily sunshine | 8.2 hrs |
Avg rainfall | 6 mm 0.2 ins |
Rainy days | 1 days |
Sea temperature | 25.9°C 78.7°F |
Humidity | 72% |
Windspeed | 17.6kph 11 mph |
On average March is the 2nd driest month of the year in San Francisco with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Francisco in March 2025.
Hottest month: | August | 34.1°C 93.4°F |
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Driest month: | February | 3mm 0.1ins |
Sunniest month: | January | 9hrs |
Coldest month: | January | 32.2°C 90°F |
Wettest month: | October | 129mm 5.1ins |