Monthly Average 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.
Current rainfall in San Mateo (CA)
Wed Dec 25
13°C | 7°C
SE 
2 m/s
2 m/s
broken clouds and no rain
Thu Dec 26
16°C | 11°C
S 4 m/s
4 m/s2.3 mm
overcast and slight rain
Fri Dec 27
16°C | 12°C
W 4 m/s
4 m/s10 mm
broken clouds and slight rain
