Gaithersburg (MD) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Gaithersburg (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 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.
Current rainfall in Gaithersburg (MD)
overcast and heavy rain
broken clouds and no rain
partly cloudy and no rain