Average annual temperature is 18.9 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -1.8 °C
Number of sunny days: 306 days
Number of rainy days: 59 days
Look at detailed online map of Gannapoortjie
* Weather data for Gannapoortjie 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) | 40.5 | 37.3 | 35.8 | 31.1 | 28.3 | 23.0 | 22.6 | 26.8 | 34.7 | 37.4 | 39.7 | 38.8 |
| Average daytime temperature (°C) | 35.5 | 33.4 | 29.4 | 25.6 | 20.4 | 15.5 | 16.7 | 21.1 | 21.9 | 28.3 | 32.8 | 32.2 |
| Average temperature (°C) | 28.4 | 26.2 | 22.3 | 18.2 | 13.3 | 9.3 | 9.5 | 13.6 | 14.3 | 20.8 | 25.5 | 25.3 |
| Average night temperature (°C) | 19.8 | 18.3 | 14.6 | 10.2 | 6.4 | 3.5 | 3.0 | 5.8 | 5.6 | 11.8 | 16.1 | 17.6 |
| Absolute minimum temperature (°C) | 11.8 | 10.6 | 8.5 | 4.7 | 0.9 | -0.4 | -1.6 | 0.1 | -1.8 | 6.0 | 11.1 | 11.2 |
| 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 | 12.1 | 10.9 | 10.1 | 9.1 | 7.0 | 8.9 | 10.1 | 10.4 | 11.5 | 12.4 | 12.1 |
| Precipitation (mm) | 4 | 5 | 8 | 13 | 18 | 34 | 5 | 1 | 10 | 14 | 1 | 93 |
| Sunny days | 26 | 24 | 22 | 28 | 26 | 20 | 26 | 28 | 27 | 27 | 28 | 24 |
| Rainy days | 5 | 4 | 9 | 2 | 5 | 10 | 5 | 3 | 3 | 4 | 2 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gannapoortjie is at