San Marcos (CA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in San Marcos (California). The numbers are calculated over a 30-year period to provide a reliable average.
- 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.
Current rainfall in San Marcos (CA)
Tue Nov 26
22°C | 9°C
W 
11 km/h
11 km/h
partly cloudy and no rain
Wed Nov 27
18°C | 12°C
W 11 km/h
11 km/h
partly cloudy and no rain
Thu Nov 28
20°C | 11°C
W 11 km/h
11 km/h
partly cloudy and no rain
