Average annual temperature is 13.4 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 256 days
Number of rainy days: 102 days
Number of snow days: 7 days
Look at detailed online map of Hanover
* Weather data for Hanover 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) | 14.0 | 16.0 | 18.4 | 27.0 | 27.6 | 34.5 | 36.3 | 36.3 | 32.2 | 26.7 | 22.6 | 15.8 |
| Average daytime temperature (°C) | 6.9 | 8.7 | 13.0 | 20.6 | 24.0 | 28.7 | 33.5 | 29.5 | 27.3 | 21.8 | 14.3 | 10.8 |
| Average temperature (°C) | 1.2 | 2.1 | 6.5 | 13.2 | 17.3 | 22.2 | 26.7 | 23.2 | 20.6 | 15.2 | 8.0 | 4.3 |
| Average night temperature (°C) | -3.6 | -2.6 | 1.1 | 5.3 | 9.7 | 14.2 | 19.0 | 16.9 | 13.8 | 8.5 | 2.6 | -0.9 |
| Absolute minimum temperature (°C) | -12.1 | -12.5 | -6.8 | -4.9 | 5.1 | 8.9 | 15.9 | 13.7 | 9.5 | -4.5 | -3.6 | -5.6 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 8.7 | 10.2 | 12.0 | 12.4 | 12.9 | 12.6 | 11.7 | 11.2 | 10.3 | 9.0 | 8.5 |
| Precipitation (mm) | 43 | 41 | 15 | 0 | 15 | 3 | 10 | 31 | 14 | 4 | 7 | 25 |
| Sunny days | 24 | 14 | 21 | 28 | 18 | 26 | 20 | 12 | 19 | 25 | 23 | 26 |
| Rainy days | 5 | 11 | 8 | 2 | 13 | 4 | 11 | 19 | 11 | 6 | 7 | 5 |
| Snow days | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hanover is at