Average annual temperature is 15.5 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of Hanover
* Weather data for Hanover South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.1 | 33.7 | 31.2 | 27.8 | 24.3 | 19.7 | 21.6 | 24.6 | 32.8 | 32.8 | 36.6 | 36.9 |
| Average daytime temperature (°C) | 31.0 | 28.7 | 26.9 | 23.3 | 17.6 | 13.4 | 14.5 | 18.7 | 20.3 | 24.6 | 29.7 | 29.9 |
| Average temperature (°C) | 23.2 | 21.1 | 19.3 | 15.3 | 10.5 | 6.8 | 7.2 | 10.4 | 12.7 | 16.6 | 21.6 | 21.5 |
| Average night temperature (°C) | 15.4 | 14.2 | 12.3 | 7.7 | 4.5 | 1.4 | 1.1 | 2.9 | 4.8 | 8.6 | 12.7 | 13.6 |
| Absolute minimum temperature (°C) | 8.1 | 7.8 | 4.9 | 1.8 | -2.2 | -2.5 | -3.9 | -4.0 | -2.8 | 2.4 | 7.3 | 9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.3 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.5 | 11.3 | 10.6 | 10.0 | 8.6 | 8.1 | 8.7 | 10.0 | 10.4 | 11.4 | 12.1 | 12.0 |
| Precipitation (mm) | 47 | 79 | 40 | 4 | 46 | 22 | 34 | 1 | 40 | 29 | 21 | 51 |
| Sunny days | 14 | 16 | 19 | 25 | 20 | 22 | 28 | 28 | 26 | 24 | 23 | 16 |
| Rainy days | 17 | 12 | 12 | 5 | 11 | 8 | 3 | 3 | 4 | 7 | 7 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hanover is at