Average annual temperature is 18.9 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 0.9 °C
Number of sunny days: 256 days
Number of rainy days: 109 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) | 34.5 | 31.0 | 32.8 | 28.9 | 27.0 | 24.2 | 25.4 | 30.0 | 32.7 | 35.6 | 36.0 | 35.0 |
| Average daytime temperature (°C) | 29.9 | 26.6 | 28.2 | 25.6 | 21.7 | 20.7 | 19.3 | 23.2 | 28.5 | 29.0 | 30.1 | 29.2 |
| Average temperature (°C) | 23.5 | 21.2 | 21.8 | 18.5 | 15.1 | 12.8 | 11.7 | 15.0 | 20.3 | 21.3 | 22.9 | 23.0 |
| Average night temperature (°C) | 17.1 | 16.8 | 15.7 | 12.1 | 9.8 | 6.3 | 5.1 | 7.3 | 12.0 | 13.9 | 16.1 | 17.0 |
| Absolute minimum temperature (°C) | 13.4 | 14.3 | 11.6 | 8.3 | 5.1 | 3.1 | 0.9 | 2.8 | 6.7 | 8.2 | 7.4 | 13.4 |
| 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) | 11.3 | 9.7 | 10.4 | 10.3 | 9.2 | 9.6 | 9.3 | 10.3 | 10.8 | 10.0 | 10.8 | 10.9 |
| Precipitation (mm) | 44 | 141 | 31 | 8 | 57 | 8 | 7 | 0 | 12 | 83 | 37 | 93 |
| Sunny days | 19 | 7 | 18 | 23 | 21 | 27 | 28 | 30 | 27 | 24 | 19 | 13 |
| Rainy days | 12 | 21 | 13 | 7 | 10 | 3 | 3 | 1 | 3 | 7 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooiwal is at