Average annual temperature is 14.4 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 183
Number of rainy days: 176
Number of snow days: 6
Average annual precipitation: 859 mm
Look at detailed online map of Portsmouth
* Weather data for Portsmouth United States is based on climate observations for 2023 year
Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Absolute maximum temperature (°C) | 17.8 | 24.4 | 24.5 | 28.9 | 30 | 34 | 34.9 | 34.9 | 34.2 | 30.3 | 25.8 | 18.7 |
Average daytime temperature (°C) | 9.8 | 14 | 13.9 | 20.3 | 24 | 27.9 | 31.5 | 30.3 | 27.3 | 20.9 | 14.3 | 11.2 |
Average temperature (°C) | 5.1 | 7.2 | 7.4 | 13.5 | 17.4 | 21.7 | 25.3 | 24.1 | 21.1 | 15.4 | 8.3 | 5.9 |
Average night temperature (°C) | 1.7 | 2.4 | 2.7 | 7.9 | 12 | 16.3 | 20.6 | 19.2 | 15.9 | 11 | 3.9 | 2.5 |
Absolute minimum temperature (°C) | -4.9 | -7.4 | -6.5 | 2 | 5.4 | 11.5 | 17.2 | 13.3 | 11.5 | 4.4 | -5.5 | -4 |
Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daylight maximum duration (h) | 10.2 | 11.3 | 12.6 | 13.8 | 14.7 | 14.9 | 14.8 | 14.2 | 13 | 11.8 | 10.6 | 9.7 |
Daylight mean duration (h) | 9.8 | 10.8 | 12 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.5 | 11.2 | 10.1 | 9.5 |
Daylight minimum duration (h) | 9.5 | 10.3 | 11.3 | 12.6 | 13.8 | 14.7 | 14.2 | 13.1 | 11.8 | 10.6 | 9.7 | 9.5 |
Sunshine mean duration (h) | 5.3 | 7.8 | 8.2 | 9.9 | 10 | 11.5 | 12.1 | 10.7 | 9.9 | 8.1 | 7.2 | 5.7 |
Precipitation (mm) | 93 | 74 | 106 | 72 | 62 | 71 | 67 | 79 | 44 | 71 | 47 | 75 |
Sunny days | 10 | 15 | 16 | 17 | 16 | 14 | 9 | 15 | 18 | 15 | 22 | 16 |
Rainy days | 18 | 11 | 14 | 13 | 15 | 16 | 22 | 16 | 12 | 16 | 8 | 15 |
Snow days | 3 | 2 | 1 |
The best time to visit Portsmouth during the most sunny months:
The largest precipitation sum in Portsmouth is at