Average annual temperature is 16.4 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 228 days
Number of rainy days: 137 days
Look at detailed online map of Groothoek
* Weather data for Groothoek 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) | 33.1 | 30.7 | 28.6 | 25.9 | 24.8 | 21.6 | 22.4 | 24.8 | 31.2 | 32.9 | 36.1 | 33.4 |
| Average daytime temperature (°C) | 28.3 | 25.1 | 25.5 | 23.1 | 18.7 | 15.5 | 16.3 | 19.6 | 23.4 | 25.8 | 28.8 | 27.3 |
| Average temperature (°C) | 21.9 | 19.6 | 19.1 | 16.1 | 12.6 | 9.1 | 9.3 | 12.5 | 15.8 | 18.5 | 21.7 | 21.1 |
| Average night temperature (°C) | 16.2 | 14.8 | 13.4 | 9.6 | 7.3 | 3.4 | 3.2 | 5.8 | 8.2 | 11.5 | 14.8 | 15.7 |
| Absolute minimum temperature (°C) | 9.9 | 9.5 | 7.4 | 3.9 | 0.8 | -0.3 | -2.7 | -1.7 | 0.2 | 6.8 | 4.9 | 10.9 |
| 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 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.3 | 10.0 | 10.6 | 10.2 | 9.1 | 8.9 | 9.1 | 10.0 | 10.1 | 10.7 | 11.8 | 11.5 |
| Precipitation (mm) | 100 | 146 | 66 | 17 | 62 | 6 | 4 | 1 | 24 | 60 | 16 | 159 |
| Sunny days | 14 | 7 | 10 | 22 | 19 | 26 | 24 | 29 | 25 | 21 | 22 | 9 |
| Rainy days | 17 | 21 | 21 | 8 | 12 | 4 | 7 | 2 | 5 | 10 | 8 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groothoek is at