Average monthly snow and rainfall in San Francisco (CA)
The mean monthly precipitation over the year in San Francisco (California), including rain, snow, hail.
- Most rainfall (rainy season) is seen in December.
- San Francisco has dry periods in May, June, July, August, September and October.
- On average, December is the wettest month with 112 mm of precipitation.
- On average, July is the driest month with 0 mm of precipitation.
- The average amount of annual precipitation is 469 mm.
Weather Forecasts for San Francisco (CA)
broken clouds and no rain
partly cloudy and small chance of slight rain
almost clear and no rain