Washington DC Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Washington DC (). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: May, June and October.
- On average, June is the wettest month with 137 mm of precipitation.
- On average, January is the driest month with 62 mm of precipitation.
- The average amount of annual precipitation is 1047 mm.
Current rainfall in Washington DC
broken clouds and small chance of slight rain
broken clouds and rain
partly cloudy and no rain