Average annual temperature is 15.5 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 221 days
Number of rainy days: 143 days
Number of snow days: 1 day
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) | 29.4 | 25.5 | 28.8 | 26.1 | 24.3 | 23.1 | 21.9 | 27.9 | 31.7 | 32.3 | 31.2 | 30.2 |
| Average daytime temperature (°C) | 25.6 | 23.0 | 24.5 | 23.5 | 19.7 | 18.2 | 16.5 | 20.6 | 25.4 | 24.6 | 25.1 | 24.9 |
| Average temperature (°C) | 19.0 | 17.9 | 18.1 | 16.2 | 12.8 | 10.6 | 8.9 | 12.2 | 17.1 | 16.7 | 18.3 | 18.8 |
| Average night temperature (°C) | 12.5 | 14.1 | 12.4 | 9.8 | 7.4 | 4.1 | 2.7 | 4.5 | 9.3 | 10.2 | 12.0 | 13.5 |
| Absolute minimum temperature (°C) | 9.2 | 11.5 | 9.8 | 6.6 | 2.4 | 1.2 | -1.6 | -2.3 | 3.9 | 3.0 | 6.3 | 9.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.6 | 9.5 | 10.4 | 10.2 | 9.2 | 9.5 | 8.8 | 10.2 | 10.4 | 9.6 | 10.3 | 10.1 |
| Precipitation (mm) | 42 | 182 | 19 | 2 | 47 | 2 | 6 | 8 | 21 | 72 | 63 | 111 |
| Sunny days | 19 | 7 | 9 | 24 | 18 | 27 | 28 | 27 | 25 | 17 | 12 | 8 |
| Rainy days | 12 | 21 | 22 | 6 | 13 | 3 | 2 | 4 | 5 | 14 | 18 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hanover is at