Average monthly snow and rainfall in Rockville (MD)
The mean monthly precipitation over the year in Rockville (Maryland), including rain, snow, hail.
- 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.
Forecast for Rockville (MD)
almost clear and no rain
overcast and heavy rain
overcast and rain