Portsmouth Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Portsmouth (Virginia). 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, July, August, September, October and December.
- On average, September is the wettest month with 170 mm of precipitation.
- On average, February is the driest month with 70 mm of precipitation.
- The average amount of annual precipitation is 1339 mm.
Current rainfall in Portsmouth
broken clouds and no rain
overcast and chance of rain
broken clouds and no rain