Average monthly snow and rainfall in Portsmouth (NH)
The mean monthly precipitation over the year in Portsmouth (New Hampshire), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: February, March, April, May, June, July, August, October and December.
- On average, June is the wettest month with 139 mm of precipitation.
- On average, January is the driest month with 86 mm of precipitation.
- The average amount of annual precipitation is 1315 mm.
Weather Forecasts for Portsmouth (NH)
broken clouds and rain
broken clouds and no rain
partly cloudy and no rain