Average monthly rainy days in San Mateo (CA)
The number of days each month with rain, snow and hail in San Mateo (California), the United States of America.
- San Mateo has dry periods in June, July, August and September.
- On average, December is the most rainy with 13 days of rain/snow.
- On average, July is the driest month with 0 rainy days.
- The average annual number of rainy days is 64.
Forecast for San Mateo (CA)
Sun May 05
15°C | 7°C
W 
36 km/h
36 km/h
clear and no rain
Mon May 06
17°C | 9°C
W 29 km/h
29 km/h
almost clear and no rain
Tue May 07
18°C | 10°C
W 36 km/h
36 km/h
almost clear and no rain
