Average monthly snow and rainfall in Gaithersburg (MD)
The mean monthly precipitation over the year in Gaithersburg (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 136 mm of precipitation.
- On average, February is the driest month with 69 mm of precipitation.
- The average amount of annual precipitation is 1175 mm.
Forecast for Gaithersburg (MD)
overcast and heavy rain
broken clouds and rain
broken clouds and chance of rain