Rockville (MD) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Rockville (Maryland). 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, September, October and December.
- On average, October is the wettest month with 133 mm of precipitation.
- On average, February is the driest month with 67 mm of precipitation.
- The average amount of annual precipitation is 1161 mm.
Current rainfall in Rockville (MD)
overcast and heavy rain
broken clouds and no rain
partly cloudy and no rain