Average annual temperature is 14.4 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 200 days
Number of rainy days: 164 days
Number of snow days: 1 day
Look at detailed online map of Groenfontein
* Weather data for Groenfontein 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) | 34.6 | 31.5 | 30.0 | 28.1 | 24.4 | 19.3 | 21.5 | 24.0 | 31.2 | 31.6 | 37.3 | 34.6 |
| Average daytime temperature (°C) | 27.8 | 24.9 | 25.8 | 22.3 | 16.9 | 14.2 | 14.9 | 19.0 | 20.5 | 21.4 | 28.4 | 26.3 |
| Average temperature (°C) | 20.4 | 18.5 | 18.1 | 14.8 | 10.2 | 8.2 | 7.8 | 10.5 | 12.5 | 14.0 | 19.6 | 18.1 |
| Average night temperature (°C) | 13.6 | 13.0 | 11.8 | 7.9 | 4.2 | 3.1 | 1.2 | 2.6 | 4.4 | 7.1 | 11.1 | 11.8 |
| Absolute minimum temperature (°C) | 7.8 | 7.9 | 4.5 | 0.9 | -1.0 | -1.1 | -4.0 | -3.3 | -3.8 | 1.3 | 4.9 | 8.5 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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) | 10.9 | 9.8 | 10.6 | 9.7 | 7.5 | 8.7 | 8.7 | 9.8 | 9.7 | 9.7 | 11.7 | 10.1 |
| Precipitation (mm) | 129 | 137 | 42 | 28 | 104 | 15 | 23 | 2 | 48 | 34 | 43 | 111 |
| Sunny days | 12 | 7 | 9 | 21 | 16 | 21 | 24 | 27 | 23 | 16 | 18 | 6 |
| Rainy days | 19 | 21 | 22 | 9 | 15 | 9 | 6 | 4 | 7 | 15 | 12 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groenfontein is at