Average annual temperature is 20.2 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of Rooiberg
* Weather data for Rooiberg 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) | 34.8 | 31.0 | 32.2 | 28.7 | 27.3 | 26.2 | 25.1 | 29.8 | 33.2 | 36.6 | 36.4 | 35.8 |
| Average daytime temperature (°C) | 29.4 | 26.8 | 27.9 | 26.0 | 23.0 | 21.3 | 19.1 | 23.4 | 29.2 | 30.9 | 31.0 | 30.4 |
| Average temperature (°C) | 23.8 | 21.9 | 22.3 | 20.1 | 17.0 | 14.9 | 13.0 | 16.3 | 21.6 | 23.2 | 24.3 | 24.2 |
| Average night temperature (°C) | 18.2 | 17.6 | 16.9 | 14.1 | 11.4 | 8.5 | 7.0 | 9.5 | 13.5 | 15.7 | 17.8 | 18.1 |
| Absolute minimum temperature (°C) | 15.5 | 15.1 | 13.5 | 10.4 | 5.7 | 4.9 | 1.9 | 4.2 | 7.2 | 9.7 | 9.1 | 14.5 |
| 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 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 |
| 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) | 12.0 | 10.3 | 10.6 | 10.4 | 9.7 | 9.7 | 9.6 | 10.4 | 11.1 | 10.7 | 11.5 | 11.1 |
| Precipitation (mm) | 46 | 147 | 42 | 2 | 62 | 0 | 15 | 0 | 4 | 88 | 26 | 101 |
| Sunny days | 17 | 6 | 21 | 25 | 22 | 29 | 29 | 31 | 26 | 23 | 19 | 13 |
| Rainy days | 14 | 22 | 10 | 5 | 9 | 1 | 2 | 0 | 4 | 8 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooiberg is at