Weather in San Francisco: May
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Average day temperature: | 59.5°F |
| Average night temperature: | 52.0°F | |
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Sea water temperature: | 56.4°F |
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Number of sunny days: | 18 days |
| Day length: | 13.8 - 14.6 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
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forecast
| San Francisco |
temperature
| San Francisco |
Air temperature in May, °F
The highest day temperature during May of 2023 was 72°F. At the same time the lowest night temperature was 49°F. Day and night temperature averages during May were 61.0°F and 52.6°F.
Sea water temperature in San Francisco in May, °F
The average sea water temperature in May of 2023 was 56.8°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in San Francisco in May is 0.5 in. Other months of the year show relatively similar values.
The average wind speed value in May is 9.5 mph It makes May most windy month 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 May is: 11.0.
Best time for vacation in San Francisco
San Francisco on a weather map
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