Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 141 days
Number of rainy days: 206 days
Number of snow days: 18 days
Look at detailed online map of Nashua
* Weather data for Nashua United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.5 | 20.8 | 18.7 | 27.9 | 32.3 | 33.0 | 31.9 | 30.3 | 32.2 | 27.6 | 16.9 | 15.1 |
| Average daytime temperature (°C) | 6.0 | 9.9 | 9.1 | 17.5 | 22.0 | 25.3 | 28.2 | 26.6 | 24.0 | 17.2 | 10.1 | 7.8 |
| Average temperature (°C) | 2.2 | 2.7 | 3.3 | 10.7 | 14.9 | 19.2 | 22.2 | 20.7 | 18.2 | 12.6 | 5.1 | 4.1 |
| Average night temperature (°C) | -0.7 | -2.0 | -0.8 | 5.0 | 8.5 | 13.7 | 17.5 | 16.1 | 13.7 | 8.9 | 1.3 | 1.3 |
| Absolute minimum temperature (°C) | -7.2 | -11.9 | -7.3 | -4.0 | 1.7 | 8.6 | 13.1 | 11.7 | 8.1 | 1.0 | -7.4 | -5.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.6 | 6.3 | 6.0 | 8.2 | 10.8 | 11.0 | 11.6 | 10.8 | 9.0 | 6.3 | 6.4 | 3.5 |
| Precipitation (mm) | 146 | 72 | 116 | 89 | 51 | 131 | 137 | 89 | 35 | 88 | 63 | 75 |
| Sunny days | 6 | 10 | 7 | 12 | 21 | 10 | 5 | 8 | 14 | 16 | 20 | 12 |
| Rainy days | 17 | 15 | 19 | 18 | 10 | 20 | 26 | 23 | 16 | 15 | 9 | 18 |
| Snow days | 8 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Nashua during the most sunny months:
The largest precipitation sum in Nashua is at