Average annual temperature is 22.9 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 266 days
Number of rainy days: 99 days
Look at detailed online map of Grootpan
* Weather data for Grootpan 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) | 38.3 | 33.2 | 35.4 | 35.2 | 32.9 | 31.9 | 30.3 | 35.9 | 38.3 | 39.6 | 40.8 | 40.0 |
| Average daytime temperature (°C) | 32.7 | 29.1 | 31.2 | 30.9 | 27.6 | 27.3 | 23.7 | 26.8 | 32.1 | 32.8 | 34.2 | 31.7 |
| Average temperature (°C) | 26.3 | 23.8 | 24.9 | 23.7 | 20.6 | 18.6 | 16.2 | 19.1 | 24.0 | 24.9 | 27.1 | 25.7 |
| Average night temperature (°C) | 20.2 | 19.7 | 18.7 | 16.6 | 14.6 | 10.9 | 9.2 | 11.8 | 16.4 | 17.6 | 20.1 | 20.2 |
| Absolute minimum temperature (°C) | 16.1 | 15.3 | 14.5 | 11.9 | 11.7 | 8.0 | 6.0 | 5.9 | 12.0 | 12.1 | 12.2 | 16.7 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.9 | 12.2 | 11.6 | 11.0 | 10.8 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 11.0 | 9.4 | 10.7 | 10.3 | 9.1 | 9.7 | 9.2 | 10.0 | 9.9 | 10.3 | 10.7 | 9.9 |
| Precipitation (mm) | 53 | 163 | 3 | 3 | 10 | 0 | 10 | 0 | 4 | 30 | 14 | 145 |
| Sunny days | 18 | 4 | 22 | 25 | 22 | 29 | 27 | 28 | 25 | 27 | 21 | 18 |
| Rainy days | 13 | 24 | 9 | 5 | 9 | 1 | 4 | 3 | 5 | 4 | 9 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grootpan is at