San Luis Obispo (CA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in San Luis Obispo (California). The numbers are calculated over a 30-year period to provide a reliable average.
- San Luis Obispo has dry periods in May, June, July, August, September and October.
- On average, December is the wettest month with 98 mm of precipitation.
- On average, August is the driest month with 0 mm of precipitation.
- The average amount of annual precipitation is 426 mm.
Current rainfall in San Luis Obispo (CA)
almost clear and rain
partly cloudy and chance of slight rain
overcast and heavy rain