Weather in San Francisco: March
| Average day temperature: | 56.9°F | |
| Average night temperature: | 50.4°F | |
| Sea water temperature: | 54.7°F | |
| Number of sunny days: | 13 days | |
| Day length: | 11.4 - 12.6 hours | |
| Number of rainy days: | 4 days | |
| Precipitation totals: | 1.8 in. | |
| more information | ||
forecast
| San Francisco |
temperature
| San Francisco |
Air temperature in March, °F
The highest day temperature during March of 2026 was 85°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during March were 70.3°F and 52.9°F.
Sea water temperature in San Francisco in March, °F
The average sea water temperature in March of 2026 was 57.7°F. The highest and lowest sea temperatures during the month were 59.5°F and 56.7°F.
Number of sunny, partly cloudy and cloudy days in March is almost equal.
Precipitation total in March, in.
Precipitation total value in San Francisco in March is 1.7 in. Other months of the year show relatively similar values.
The average wind speed value in March is 8.7 mph
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: 7.6.
Best time for vacation in San Francisco
San Francisco on a weather map

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