Rancho Cucamonga (CA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Rancho Cucamonga (California). The numbers are calculated over a 30-year period to provide a reliable average.
- Rancho Cucamonga has dry periods in April, May, June, July, August, September, October and November.
- On average, December is the wettest month with 98 mm of precipitation.
- On average, June is the driest month with 0 mm of precipitation.
- The average amount of annual precipitation is 318 mm.
Current rainfall in Rancho Cucamonga (CA)
broken clouds and rain
partly cloudy and small chance of slight rain
broken clouds and no rain