Average annual temperature is 17.1 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 241 days
Number of rainy days: 124 days
Look at detailed online map of Graley
* Weather data for Graley 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) | 32.6 | 28.7 | 30.0 | 27.1 | 25.9 | 23.2 | 23.4 | 28.9 | 31.3 | 33.5 | 32.8 | 32.4 |
| Average daytime temperature (°C) | 28.1 | 25.3 | 26.3 | 24.5 | 20.6 | 19.7 | 17.9 | 21.9 | 26.7 | 26.9 | 27.4 | 26.9 |
| Average temperature (°C) | 21.5 | 19.6 | 19.8 | 17.1 | 13.6 | 11.4 | 10.0 | 13.3 | 18.6 | 19.3 | 20.5 | 20.9 |
| Average night temperature (°C) | 14.6 | 15.0 | 13.6 | 10.0 | 7.8 | 4.2 | 3.1 | 5.1 | 10.5 | 11.9 | 13.8 | 15.3 |
| Absolute minimum temperature (°C) | 11.3 | 11.9 | 9.6 | 5.4 | 1.7 | 0.8 | -0.5 | 0.3 | 5.3 | 6.1 | 5.3 | 11.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 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) | 11.7 | 9.8 | 10.6 | 10.3 | 9.3 | 9.6 | 9.5 | 10.1 | 10.7 | 9.9 | 10.8 | 10.6 |
| Precipitation (mm) | 69 | 138 | 29 | 8 | 64 | 9 | 3 | 0 | 24 | 70 | 54 | 120 |
| Sunny days | 18 | 10 | 18 | 25 | 16 | 27 | 27 | 31 | 27 | 20 | 14 | 8 |
| Rainy days | 13 | 18 | 13 | 5 | 15 | 3 | 4 | 0 | 3 | 11 | 16 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Graley is at