Average monthly rainy days in South San Francisco (CA)
The number of days each month with rain, snow and hail in South San Francisco (California), the United States of America.
- South San Francisco 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 1 rainy day.
- The average annual number of rainy days is 70.
Forecast for South San Francisco (CA)
broken clouds and rain
clear and no rain
almost clear and no rain