Average annual temperature is 13.9 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 185 days
Number of rainy days: 178 days
Number of snow days: 2 days
Look at detailed online map of Hannover
* Weather data for Hannover 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) | 16.9 | 22.4 | 24.6 | 30.6 | 29.4 | 34.1 | 37.2 | 33.9 | 36.5 | 27.7 | 23.3 | 16.6 |
| Average daytime temperature (°C) | 9.2 | 11.4 | 12.4 | 21.5 | 23.3 | 27.8 | 32.3 | 30.5 | 26.6 | 20.6 | 13.0 | 9.9 |
| Average temperature (°C) | 5.0 | 5.6 | 6.4 | 14.3 | 16.4 | 21.1 | 25.6 | 24.3 | 20.7 | 14.6 | 6.9 | 5.1 |
| Average night temperature (°C) | 1.7 | 1.0 | 1.5 | 8.2 | 10.1 | 15.3 | 20.3 | 19.0 | 15.7 | 9.8 | 2.1 | 1.3 |
| Absolute minimum temperature (°C) | -2.9 | -9.6 | -5.4 | 0.7 | 4.9 | 11.1 | 17.5 | 14.3 | 9.8 | 4.1 | -5.4 | -5.4 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 7.0 | 7.4 | 9.4 | 10.4 | 10.7 | 11.7 | 11.0 | 8.6 | 8.3 | 7.6 | 5.2 |
| Precipitation (mm) | 63 | 53 | 76 | 125 | 31 | 118 | 114 | 45 | 134 | 51 | 58 | 139 |
| Sunny days | 13 | 17 | 12 | 18 | 15 | 14 | 9 | 12 | 16 | 17 | 23 | 19 |
| Rainy days | 18 | 10 | 19 | 12 | 16 | 16 | 22 | 19 | 14 | 14 | 6 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Hannover during the most sunny months:
The largest precipitation sum in Hannover is at