Average annual temperature is 16.6 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Rooirivier
* Weather data for Rooirivier 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) | 41.8 | 37.9 | 36.3 | 34.2 | 28.6 | 21.7 | 23.4 | 30.2 | 35.1 | 33.2 | 38.7 | 41.1 |
| Average daytime temperature (°C) | 32.3 | 29.3 | 27.5 | 23.5 | 18.5 | 15.6 | 16.0 | 20.5 | 20.1 | 22.9 | 29.9 | 28.1 |
| Average temperature (°C) | 23.5 | 21.9 | 20.0 | 16.9 | 12.7 | 11.0 | 9.9 | 13.2 | 13.1 | 16.4 | 21.2 | 20.2 |
| Average night temperature (°C) | 16.6 | 16.1 | 14.5 | 10.9 | 7.5 | 6.9 | 4.8 | 6.7 | 6.9 | 10.7 | 13.7 | 14.3 |
| Absolute minimum temperature (°C) | 9.9 | 9.6 | 8.2 | 5.4 | 3.0 | 3.2 | 0.4 | 2.3 | 1.6 | 5.9 | 8.1 | 10.9 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.8 | 10.8 | 10.0 | 8.5 | 7.7 | 6.8 | 7.8 | 9.1 | 9.4 | 10.4 | 11.9 | 11.4 |
| Precipitation (mm) | 13 | 31 | 51 | 25 | 46 | 64 | 30 | 13 | 65 | 39 | 7 | 36 |
| Sunny days | 20 | 14 | 15 | 17 | 20 | 12 | 19 | 22 | 18 | 18 | 21 | 21 |
| Rainy days | 11 | 14 | 16 | 13 | 11 | 18 | 12 | 9 | 12 | 13 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooirivier is at