Average annual temperature is 16.5 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 249 days
Number of rainy days: 116 days
Look at detailed online map of Rooirantjies
* Weather data for Rooirantjies 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 | 32.3 | 32.7 | 28.0 | 26.0 | 21.5 | 22.8 | 24.0 | 31.2 | 32.9 | 37.9 | 35.9 |
| Average daytime temperature (°C) | 29.8 | 27.2 | 26.9 | 23.5 | 18.7 | 15.1 | 15.8 | 19.7 | 22.3 | 25.8 | 29.7 | 29.6 |
| Average temperature (°C) | 22.6 | 20.7 | 19.8 | 16.3 | 12.2 | 8.9 | 9.1 | 12.2 | 14.8 | 17.9 | 22.3 | 21.7 |
| Average night temperature (°C) | 16.2 | 14.8 | 13.4 | 9.7 | 6.7 | 3.9 | 3.2 | 5.3 | 7.6 | 10.2 | 14.4 | 14.8 |
| Absolute minimum temperature (°C) | 8.1 | 10.5 | 6.5 | 3.2 | -0.3 | -0.6 | -2.1 | -2.1 | -1.6 | 4.5 | 7.7 | 10.1 |
| 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) | 13.8 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.6 | 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) | 12.6 | 11.0 | 10.9 | 10.0 | 8.6 | 8.9 | 9.0 | 10.0 | 10.1 | 11.3 | 11.8 | 11.8 |
| Precipitation (mm) | 70 | 95 | 39 | 8 | 88 | 7 | 9 | 1 | 45 | 21 | 12 | 92 |
| Sunny days | 17 | 10 | 16 | 24 | 19 | 27 | 27 | 28 | 26 | 23 | 19 | 13 |
| Rainy days | 14 | 18 | 15 | 6 | 12 | 3 | 4 | 3 | 4 | 8 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooirantjies is at