Average annual temperature is 19.1 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 275 days
Number of rainy days: 90 days
Look at detailed online map of Gannahoek
* Weather data for Gannahoek 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) | 34.2 | 34.5 | 31.7 | 28.8 | 27.8 | 24.2 | 25.3 | 28.0 | 32.6 | 36.9 | 38.0 | 36.9 |
| Average daytime temperature (°C) | 31.3 | 29.0 | 28.1 | 25.5 | 22.2 | 19.1 | 18.7 | 22.8 | 26.2 | 30.1 | 32.6 | 32.1 |
| Average temperature (°C) | 24.9 | 22.6 | 21.5 | 18.0 | 14.9 | 11.2 | 11.4 | 14.6 | 17.8 | 22.1 | 25.1 | 25.0 |
| Average night temperature (°C) | 17.8 | 16.4 | 15.3 | 11.4 | 8.1 | 4.2 | 4.8 | 6.9 | 9.2 | 13.5 | 17.0 | 17.8 |
| Absolute minimum temperature (°C) | 12.9 | 11.7 | 11.1 | 5.4 | 2.0 | -0.5 | -2.4 | 1.0 | 1.6 | 8.3 | 7.5 | 12.1 |
| 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 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.6 | 10.9 | 11.0 | 10.4 | 9.6 | 9.5 | 9.7 | 10.3 | 10.9 | 11.4 | 11.7 | 11.7 |
| Precipitation (mm) | 12 | 43 | 9 | 18 | 24 | 5 | 0 | 0 | 4 | 11 | 9 | 76 |
| Sunny days | 22 | 10 | 18 | 24 | 24 | 27 | 30 | 31 | 27 | 26 | 19 | 17 |
| Rainy days | 9 | 18 | 13 | 6 | 7 | 3 | 1 | 0 | 3 | 5 | 11 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gannahoek is at