Average monthly snow and rainfall in San Marcos (CA)
The mean monthly precipitation over the year in San Marcos (California), including rain, snow, hail.
- San Marcos has dry periods in April, May, June, July, August, September and October.
- On average, December is the wettest month with 79 mm of precipitation.
- On average, June is the driest month with 1 mm of precipitation.
- The average amount of annual precipitation is 309 mm.
Forecast for San Marcos (CA)
clear and no rain
almost clear and no rain
clear and no rain