Average annual temperature is 15.4 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of Gertplaas
* Weather data for Gertplaas 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) | 34.3 | 30.8 | 28.9 | 28.1 | 24.9 | 21.6 | 23.8 | 25.9 | 31.3 | 33.8 | 37.5 | 34.5 |
| Average daytime temperature (°C) | 27.0 | 24.8 | 25.3 | 22.8 | 17.7 | 16.0 | 16.9 | 21.1 | 22.5 | 22.4 | 28.1 | 25.5 |
| Average temperature (°C) | 20.1 | 18.8 | 18.5 | 15.5 | 11.7 | 10.2 | 10.0 | 12.5 | 14.3 | 14.9 | 19.8 | 18.2 |
| Average night temperature (°C) | 14.2 | 14.0 | 13.2 | 9.3 | 6.5 | 5.6 | 3.9 | 5.0 | 6.4 | 8.2 | 12.2 | 12.6 |
| Absolute minimum temperature (°C) | 7.9 | 9.6 | 5.1 | 1.5 | 0.4 | 0.8 | -2.6 | -2.8 | -0.4 | 2.8 | 4.4 | 9.6 |
| 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) | 10.1 | 8.8 | 10.2 | 9.7 | 7.3 | 8.6 | 8.8 | 9.8 | 9.6 | 9.0 | 11.1 | 9.0 |
| Precipitation (mm) | 152 | 140 | 71 | 14 | 70 | 6 | 11 | 6 | 32 | 49 | 60 | 124 |
| Sunny days | 8 | 6 | 11 | 23 | 14 | 21 | 25 | 27 | 23 | 14 | 14 | 5 |
| Rainy days | 23 | 22 | 20 | 7 | 17 | 9 | 6 | 4 | 7 | 17 | 16 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gertplaas is at