Average annual temperature is 18.9 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 282 days
Number of rainy days: 83 days
Look at detailed online map of Rooiwal
* Weather data for Rooiwal 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) | 35.8 | 35.1 | 32.6 | 29.8 | 29.4 | 25.5 | 26.0 | 28.9 | 34.2 | 38.3 | 40.3 | 38.6 |
| Average daytime temperature (°C) | 32.7 | 30.2 | 29.4 | 26.2 | 23.3 | 20.0 | 19.3 | 23.3 | 27.3 | 31.4 | 34.3 | 33.9 |
| Average temperature (°C) | 25.1 | 23.1 | 21.7 | 17.3 | 14.6 | 10.6 | 10.6 | 13.3 | 17.3 | 22.3 | 25.7 | 26.0 |
| Average night temperature (°C) | 17.8 | 16.7 | 14.6 | 9.5 | 7.5 | 3.2 | 3.3 | 4.6 | 8.3 | 13.0 | 16.9 | 18.5 |
| Absolute minimum temperature (°C) | 13.5 | 11.3 | 7.3 | 4.0 | 0.6 | -1.1 | -2.6 | -1.6 | 2.1 | 8.3 | 6.7 | 13.7 |
| 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) | 13.7 | 13.0 | 12.2 | 11.4 | 10.8 | 10.4 | 10.6 | 11.2 | 11.9 | 12.7 | 13.5 | 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) | 12.7 | 10.9 | 10.8 | 10.5 | 9.3 | 9.4 | 9.5 | 10.3 | 10.6 | 10.9 | 11.6 | 11.5 |
| Precipitation (mm) | 16 | 39 | 13 | 20 | 18 | 8 | 1 | 0 | 3 | 20 | 1 | 64 |
| Sunny days | 19 | 16 | 19 | 21 | 26 | 27 | 29 | 31 | 26 | 26 | 25 | 17 |
| Rainy days | 12 | 12 | 12 | 9 | 5 | 3 | 2 | 0 | 4 | 5 | 5 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooiwal is at