Average monthly snow and rainfall in National Harbor (MD)
The mean monthly precipitation over the year in National Harbor (Maryland), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: May, June, September, October and December.
- On average, June is the wettest month with 149 mm of precipitation.
- On average, February is the driest month with 67 mm of precipitation.
- The average amount of annual precipitation is 1151 mm.
Forecast for National Harbor (MD)
broken clouds and rain
overcast and heavy rain
broken clouds and rain