Average annual temperature is 20.5 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 305 days
Number of rainy days: 60 days
Look at detailed online map of Groot Witberg
* Weather data for Groot Witberg 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) | 40.1 | 37.7 | 36.1 | 31.8 | 30.2 | 25.4 | 27.5 | 29.9 | 35.5 | 38.3 | 41.1 | 40.6 |
| Average daytime temperature (°C) | 35.9 | 34.1 | 31.8 | 27.7 | 22.7 | 18.5 | 19.7 | 23.4 | 24.2 | 30.2 | 34.5 | 34.3 |
| Average temperature (°C) | 29.1 | 26.9 | 24.3 | 19.8 | 15.2 | 11.2 | 12.2 | 15.4 | 16.2 | 22.5 | 26.7 | 27.1 |
| Average night temperature (°C) | 21.3 | 19.2 | 16.8 | 12.1 | 8.2 | 4.9 | 5.8 | 8.1 | 7.9 | 14.4 | 18.3 | 19.4 |
| Absolute minimum temperature (°C) | 13.8 | 13.6 | 11.7 | 6.5 | 3.7 | 1.8 | 0.4 | 2.4 | 2.1 | 7.8 | 12.1 | 15.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 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) | 13.8 | 13.1 | 12.3 | 11.4 | 10.7 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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) | 12.6 | 11.9 | 10.8 | 10.2 | 9.2 | 8.4 | 9.1 | 10.1 | 10.4 | 11.3 | 12.2 | 12.3 |
| Precipitation (mm) | 7 | 29 | 19 | 7 | 12 | 7 | 1 | 3 | 17 | 11 | 5 | 56 |
| Sunny days | 26 | 22 | 23 | 27 | 23 | 26 | 28 | 29 | 26 | 27 | 24 | 24 |
| Rainy days | 5 | 6 | 8 | 3 | 8 | 4 | 3 | 2 | 4 | 4 | 6 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groot Witberg is at