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)
almost clear and no rain
almost clear and no rain
partly cloudy and no rain