Average annual temperature is 19.1 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 268 days
Number of rainy days: 97 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) | 34.2 | 31.4 | 30.7 | 28.8 | 27.8 | 25.5 | 24.0 | 30.0 | 33.0 | 35.6 | 36.2 | 36.5 |
| Average daytime temperature (°C) | 29.6 | 26.7 | 27.1 | 25.9 | 22.7 | 21.0 | 19.2 | 23.2 | 27.8 | 29.6 | 31.1 | 30.3 |
| Average temperature (°C) | 23.6 | 21.2 | 21.0 | 18.7 | 15.7 | 12.7 | 11.7 | 15.0 | 19.5 | 21.9 | 23.9 | 23.9 |
| Average night temperature (°C) | 17.4 | 16.4 | 15.5 | 12.1 | 9.8 | 5.3 | 5.1 | 7.4 | 10.9 | 14.4 | 16.8 | 17.5 |
| Absolute minimum temperature (°C) | 13.4 | 12.7 | 11.4 | 7.7 | 2.4 | -0.1 | -1.9 | 1.7 | 2.8 | 9.0 | 8.1 | 11.5 |
| 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) | 13.5 | 13.0 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| 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) | 12.4 | 10.0 | 10.4 | 10.5 | 9.7 | 9.6 | 9.7 | 10.4 | 11.0 | 10.7 | 11.3 | 11.6 |
| Precipitation (mm) | 20 | 102 | 25 | 6 | 26 | 0 | 0 | 0 | 2 | 33 | 29 | 79 |
| Sunny days | 21 | 9 | 19 | 23 | 20 | 29 | 30 | 30 | 26 | 24 | 19 | 18 |
| Rainy days | 10 | 19 | 12 | 7 | 11 | 1 | 1 | 1 | 4 | 7 | 11 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grantleigh is at