Weather in San Francisco: March
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Average day temperature: | 56.0°F |
Average night temperature: | 50.2°F | |
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Sea water temperature: | 54.5°F |
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Number of sunny days: | 12 days |
Day length: | 11.4 - 12.6 hours | |
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Number of rainy days: | 4 days |
Precipitation totals: | 1.9 in. | |
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San Francisco |
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San Francisco |
Air temperature in March, °F
Day temperature | Night temperature |
The highest day temperature during March of 2025 was 67°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during March were 54.0°F and 50.2°F.
Sea water temperature in San Francisco in March, °F
The average sea water temperature in March of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.9°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in San Francisco in March is 1.9 in. Other months of the year show relatively similar values.
The average wind speed value in March is 9.1 mph It makes March one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 6.9.
Best time for vacation in San Francisco
San Francisco on a weather map

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