The climate in San Francisco during April can be summarized as warm and reasonably dry.
April is in the fall / autumn in San Francisco and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 13°C (54°F) is normal.
Daytime temperature | 24.6°C 76.2°F |
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Nightly temperature | 12.5°C 54.4°F |
Average temperature | 18.5°C 65.3°F |
Daily sunshine | 7.5 hrs |
Avg rainfall | 77 mm 3 ins |
Rainy days | 7 days |
Sea temperature | 19.3°C 66.7°F |
Humidity | 80% |
Windspeed | 9.4kph 6 mph |
On average April is the 6th driest month of the year in San Francisco with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 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 April 2025.
Hottest month: | January | 31.5°C 88.7°F |
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Driest month: | July | 20mm 0.8ins |
Sunniest month: | February | 9.3hrs |
Coldest month: | July | 17.6°C 63.7°F |
Wettest month: | March | 152mm 6ins |