Average annual temperature is 17.1 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 193 days
Number of rainy days: 172 days
Look at detailed online map of Grantleigh
* Weather data for Grantleigh 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) | 33.5 | 30.7 | 30.4 | 29.1 | 27.6 | 24.9 | 27.0 | 29.9 | 35.0 | 36.8 | 37.3 | 36.2 |
| Average daytime temperature (°C) | 28.5 | 25.3 | 26.3 | 25.6 | 21.0 | 19.8 | 19.2 | 23.2 | 28.6 | 25.8 | 29.2 | 27.5 |
| Average temperature (°C) | 21.5 | 20.1 | 19.8 | 17.5 | 13.8 | 10.9 | 9.8 | 13.2 | 18.3 | 18.1 | 21.3 | 20.8 |
| Average night temperature (°C) | 15.2 | 16.2 | 14.3 | 10.7 | 7.9 | 3.4 | 2.1 | 4.5 | 9.4 | 11.5 | 14.6 | 15.5 |
| Absolute minimum temperature (°C) | 12.6 | 13.2 | 10.7 | 6.4 | 1.3 | -0.2 | -2.3 | -1.8 | 5.0 | 5.3 | 8.2 | 10.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 10.8 | 8.4 | 9.6 | 9.8 | 8.5 | 9.2 | 8.9 | 9.8 | 10.2 | 8.0 | 9.7 | 8.8 |
| Precipitation (mm) | 81 | 256 | 72 | 9 | 66 | 7 | 7 | 1 | 13 | 107 | 33 | 187 |
| Sunny days | 14 | 3 | 7 | 21 | 14 | 28 | 25 | 27 | 21 | 16 | 11 | 6 |
| Rainy days | 17 | 25 | 24 | 9 | 17 | 2 | 6 | 4 | 9 | 15 | 19 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grantleigh is at