Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Groendal
* Weather data for Groendal 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) | 37.2 | 36.4 | 33.5 | 31.2 | 24.2 | 21.0 | 23.0 | 29.4 | 26.4 | 31.8 | 36.5 | 33.9 |
| Average daytime temperature (°C) | 29.5 | 29.1 | 24.1 | 21.0 | 17.4 | 14.3 | 15.5 | 17.7 | 15.5 | 23.0 | 26.4 | 27.8 |
| Average temperature (°C) | 21.9 | 21.9 | 18.5 | 15.5 | 12.7 | 11.3 | 10.5 | 12.4 | 11.1 | 16.6 | 19.2 | 20.4 |
| Average night temperature (°C) | 15.5 | 16.5 | 14.2 | 10.7 | 8.6 | 8.4 | 5.9 | 7.6 | 6.9 | 11.3 | 13.0 | 14.4 |
| Absolute minimum temperature (°C) | 11.1 | 10.1 | 10.4 | 5.9 | 4.9 | 4.2 | 1.9 | 1.5 | 1.7 | 5.3 | 8.5 | 11.0 |
| 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) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.7 | 11.7 | 9.5 | 8.1 | 7.8 | 4.9 | 7.7 | 8.5 | 8.2 | 11.1 | 12.1 | 13.1 |
| Precipitation (mm) | 11 | 51 | 158 | 135 | 112 | 474 | 141 | 154 | 263 | 16 | 42 | 6 |
| Sunny days | 23 | 20 | 14 | 15 | 15 | 5 | 17 | 16 | 9 | 20 | 19 | 28 |
| Rainy days | 8 | 8 | 17 | 15 | 16 | 25 | 14 | 15 | 21 | 11 | 11 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Groendal during the most sunny months:
The largest precipitation sum in Groendal is at