Average annual temperature is 10.1 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -26.8 °C
Number of sunny days: 158 days
Number of rainy days: 188 days
Number of snow days: 19 days
Look at detailed online map of Town of Derry
* Weather data for Town of Derry 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) | 11.1 | 14.2 | 15.2 | 29.9 | 30.8 | 32.8 | 31.2 | 28.0 | 31.9 | 27.5 | 17.5 | 15.3 |
| Average daytime temperature (°C) | 4.4 | 4.3 | 6.5 | 14.6 | 20.6 | 22.7 | 27.2 | 24.7 | 22.4 | 18.0 | 8.1 | 7.0 |
| Average temperature (°C) | 0.4 | -1.5 | 1.7 | 8.8 | 13.9 | 17.3 | 22.5 | 19.9 | 17.9 | 13.0 | 3.3 | 2.5 |
| Average night temperature (°C) | -3.0 | -6.3 | -2.5 | 4.4 | 8.3 | 13.2 | 18.7 | 16.0 | 14.5 | 9.2 | -0.3 | -0.4 |
| Absolute minimum temperature (°C) | -14.1 | -26.8 | -6.9 | -3.7 | 1.4 | 7.2 | 13.2 | 12.2 | 7.4 | 0.7 | -5.4 | -7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 6.3 | 7.1 | 8.2 | 11.4 | 8.5 | 10.1 | 9.6 | 7.7 | 7.3 | 7.1 | 5.1 |
| Precipitation (mm) | 163 | 45 | 126 | 93 | 90 | 141 | 208 | 173 | 191 | 91 | 43 | 165 |
| Sunny days | 8 | 12 | 13 | 15 | 18 | 6 | 8 | 11 | 12 | 17 | 21 | 17 |
| Rainy days | 17 | 10 | 13 | 15 | 13 | 24 | 23 | 20 | 18 | 14 | 8 | 13 |
| Snow days | 6 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Town of Derry during the most sunny months:
Months with the longest average daylight duration in Town of Derry:
The largest precipitation sum in Town of Derry is at