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)
partly cloudy and chance of rain
partly cloudy and chance of rain
overcast and heavy rain