Average annual temperature is 20.8 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 253 days
Number of rainy days: 112 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) | 34.6 | 31.9 | 34.8 | 33.1 | 30.6 | 30.3 | 28.5 | 34.2 | 36.3 | 36.8 | 38.1 | 38.6 |
| Average daytime temperature (°C) | 29.8 | 27.7 | 29.2 | 28.9 | 25.5 | 25.5 | 21.7 | 24.4 | 29.8 | 29.6 | 31.8 | 29.5 |
| Average temperature (°C) | 23.5 | 22.3 | 22.6 | 21.6 | 18.5 | 17.4 | 14.6 | 17.3 | 21.9 | 21.8 | 24.4 | 23.4 |
| Average night temperature (°C) | 17.8 | 18.5 | 16.9 | 15.0 | 12.9 | 10.6 | 8.5 | 10.6 | 14.6 | 14.8 | 17.6 | 18.1 |
| Absolute minimum temperature (°C) | 14.0 | 14.7 | 13.4 | 10.9 | 9.0 | 7.4 | 5.9 | 5.7 | 10.3 | 9.1 | 11.1 | 14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.5 | 11.0 | 10.7 | 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) | 10.8 | 9.5 | 10.6 | 10.3 | 9.0 | 9.7 | 8.9 | 9.8 | 10.3 | 10.2 | 10.7 | 9.8 |
| Precipitation (mm) | 43 | 161 | 9 | 5 | 13 | 0 | 5 | 0 | 2 | 44 | 19 | 130 |
| Sunny days | 17 | 4 | 18 | 23 | 20 | 30 | 26 | 29 | 26 | 24 | 22 | 14 |
| Rainy days | 14 | 24 | 13 | 7 | 11 | 0 | 5 | 2 | 4 | 7 | 8 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groothoek is at