Average humidity in Foster City (CA)
The mean monthly relative humidity over the year in Foster City (California), the United States of America.
Data from: San Francisco, the United States of America (11 KM, 7 Miles).
- 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 Foster City (CA)
Tue Nov 26
14°C | 8°C
N 
11 km/h
11 km/h0.2 mm
partly cloudy and slight rain
Wed Nov 27
15°C | 8°C
NW 11 km/h
11 km/h
clear and no rain
Thu Nov 28
15°C | 7°C
NW 11 km/h
11 km/h
almost clear and no rain
