Average annual temperature is 15.7 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 285 days
Number of rainy days: 80 days
Look at detailed online map of Groot Matjiesfontein
* Weather data for Groot Matjiesfontein 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) | 39.0 | 34.9 | 35.3 | 33.7 | 29.8 | 23.8 | 24.0 | 29.0 | 28.8 | 36.1 | 37.9 | 33.4 |
| Average daytime temperature (°C) | 31.3 | 29.4 | 26.1 | 24.3 | 18.9 | 15.6 | 16.1 | 19.1 | 17.7 | 25.5 | 28.8 | 27.3 |
| Average temperature (°C) | 22.4 | 20.9 | 17.8 | 16.5 | 12.1 | 10.0 | 9.7 | 12.0 | 10.8 | 17.4 | 20.1 | 19.0 |
| Average night temperature (°C) | 14.8 | 13.9 | 11.6 | 10.1 | 6.6 | 6.0 | 4.5 | 5.7 | 4.7 | 10.1 | 12.2 | 12.1 |
| Absolute minimum temperature (°C) | 7.8 | 7.0 | 6.7 | 3.9 | 3.4 | 2.3 | -0.4 | 1.0 | -1.1 | 4.8 | 7.1 | 8.1 |
| 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 | 10.4 | 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 | 13.0 |
| Sunshine mean duration (h) | 12.7 | 12.0 | 10.9 | 10.1 | 8.9 | 7.4 | 9.0 | 9.5 | 9.6 | 11.7 | 12.3 | 12.6 |
| Precipitation (mm) | 0 | 13 | 26 | 2 | 13 | 29 | 20 | 7 | 33 | 1 | 11 | 41 |
| Sunny days | 29 | 24 | 23 | 24 | 23 | 16 | 23 | 25 | 18 | 27 | 26 | 27 |
| Rainy days | 2 | 4 | 8 | 6 | 8 | 14 | 8 | 6 | 12 | 4 | 4 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groot Matjiesfontein is at