Average annual temperature is 15.9 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 254 days
Number of rainy days: 111 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) | 35.5 | 33.3 | 32.2 | 27.9 | 25.5 | 21.8 | 22.1 | 24.6 | 31.4 | 33.7 | 38.4 | 36.7 |
| Average daytime temperature (°C) | 30.5 | 27.7 | 27.1 | 23.0 | 18.1 | 14.6 | 15.5 | 19.6 | 21.9 | 25.9 | 30.3 | 30.1 |
| Average temperature (°C) | 22.8 | 20.8 | 19.6 | 15.3 | 10.8 | 7.7 | 7.9 | 10.9 | 13.6 | 17.3 | 22.1 | 21.8 |
| Average night temperature (°C) | 15.6 | 14.7 | 12.7 | 7.9 | 4.6 | 1.8 | 1.2 | 2.7 | 5.3 | 9.1 | 13.5 | 14.6 |
| Absolute minimum temperature (°C) | 8.7 | 9.0 | 6.2 | 1.9 | -1.1 | -1.6 | -2.6 | -3.3 | -2.2 | 2.9 | 6.3 | 10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.2 | 11.0 | 10.9 | 9.8 | 8.4 | 8.5 | 8.8 | 9.8 | 10.2 | 11.3 | 11.9 | 11.9 |
| Precipitation (mm) | 51 | 96 | 22 | 19 | 98 | 8 | 16 | 5 | 22 | 17 | 23 | 101 |
| Sunny days | 16 | 13 | 13 | 24 | 22 | 25 | 27 | 30 | 25 | 25 | 18 | 16 |
| Rainy days | 15 | 15 | 18 | 6 | 9 | 5 | 4 | 1 | 5 | 6 | 12 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooiwal is at