Average annual temperature is 20.2 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Grantion
* Weather data for Grantion 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) | 36.2 | 35.3 | 33.7 | 29.1 | 28.2 | 24.8 | 26.3 | 29.6 | 33.7 | 37.0 | 38.1 | 37.8 |
| Average daytime temperature (°C) | 32.4 | 30.2 | 29.7 | 26.5 | 22.6 | 19.1 | 19.7 | 23.4 | 26.2 | 30.8 | 33.3 | 33.1 |
| Average temperature (°C) | 26.3 | 24.2 | 23.0 | 19.1 | 15.8 | 11.7 | 12.4 | 15.5 | 18.3 | 23.3 | 26.3 | 26.3 |
| Average night temperature (°C) | 19.4 | 18.1 | 16.4 | 12.2 | 9.2 | 5.1 | 5.8 | 8.0 | 9.9 | 14.9 | 18.5 | 19.5 |
| Absolute minimum temperature (°C) | 12.6 | 12.3 | 11.0 | 6.3 | 3.8 | 1.2 | -1.1 | 3.0 | 2.4 | 8.7 | 9.4 | 15.3 |
| 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 | 11.4 | 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 | 11.5 | 10.9 | 10.4 | 9.5 | 9.4 | 9.6 | 10.3 | 10.8 | 11.4 | 11.7 | 12.0 |
| Precipitation (mm) | 5 | 32 | 16 | 8 | 30 | 5 | 0 | 0 | 11 | 11 | 17 | 69 |
| Sunny days | 26 | 16 | 20 | 23 | 25 | 28 | 30 | 31 | 28 | 27 | 21 | 24 |
| Rainy days | 5 | 12 | 11 | 7 | 6 | 2 | 1 | 0 | 2 | 4 | 9 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grantion is at