Glendora (CA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Glendora (California). The numbers are calculated over a 30-year period to provide a reliable average.
- Most rainfall (rainy season) is seen in December.
- Glendora has dry periods in May, June, July, August, September, October and November.
- On average, December is the wettest month with 102 mm of precipitation.
- On average, August is the driest month with 0 mm of precipitation.
- The average amount of annual precipitation is 399 mm.
Current rainfall in Glendora (CA)
broken clouds and no rain
partly cloudy and small chance of slight rain
almost clear and no rain