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San Francisco
Average humidity
ClimateForecastNovemberDecember >>

Average humidity in San Francisco (CA)

The mean monthly relative humidity over the year in San Francisco (California), the United States of America.


  • On average, January is the most humid month, at 80.0%.
  • On average, October is the least humid month, at 71.0%.
  • The average annual percentage of humidity is 75%.

Forecast for San Francisco (CA)

Thu   Nov 21
17°C | 12°C
S 32 km/h
5.4 mm
overcast and chance of rain

overcast and chance of rain

hourly forecast
Fri   Nov 22
17°C | 13°C
S 29 km/h
39 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Sat   Nov 23
16°C | 10°C
W 14 km/h
3.7 mm
partly cloudy and chance of slight rain

partly cloudy and chance of slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

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