Average monthly snow and rainfall in Portsmouth
The mean monthly precipitation over the year in Portsmouth (), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: August, September, October and November.
- On average, October is the wettest month with 137 mm of precipitation.
- On average, March is the driest month with 33 mm of precipitation.
- The average amount of annual precipitation is 973 mm.
Weather Forecasts for Portsmouth
Fri Apr 26
30°C | 21°C
E 
22 km/h
22 km/h
partly cloudy and no rain
Sat Apr 27
31°C | 22°C
E 22 km/h
22 km/h
almost clear and no rain
Sun Apr 28
32°C | 21°C
E 18 km/h
18 km/h0.7 mm
partly cloudy and small chance of slight rain
