Average annual temperature is 16.0 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 237 days
Number of rainy days: 128 days
Look at detailed online map of Rooybank
* Weather data for Rooybank 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) | 30.2 | 27.0 | 28.6 | 26.9 | 26.0 | 23.3 | 22.3 | 28.0 | 31.4 | 32.9 | 31.6 | 30.9 |
| Average daytime temperature (°C) | 26.8 | 23.6 | 25.2 | 23.8 | 19.6 | 18.4 | 16.9 | 21.2 | 25.7 | 25.2 | 26.5 | 25.9 |
| Average temperature (°C) | 20.2 | 18.4 | 18.7 | 16.4 | 12.6 | 10.3 | 9.1 | 12.8 | 17.3 | 17.6 | 19.5 | 19.8 |
| Average night temperature (°C) | 13.6 | 14.3 | 12.8 | 9.5 | 7.3 | 3.6 | 2.4 | 5.1 | 9.3 | 10.6 | 12.7 | 14.4 |
| Absolute minimum temperature (°C) | 10.1 | 10.1 | 9.7 | 5.1 | 1.4 | -0.1 | -2.6 | -3.2 | 3.7 | 4.1 | 4.9 | 11.0 |
| 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) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| 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) | 11.7 | 9.0 | 10.5 | 10.2 | 9.1 | 9.6 | 9.0 | 10.2 | 10.4 | 9.9 | 10.5 | 10.6 |
| Precipitation (mm) | 32 | 190 | 16 | 2 | 56 | 6 | 5 | 4 | 19 | 58 | 43 | 97 |
| Sunny days | 19 | 9 | 14 | 24 | 17 | 27 | 29 | 30 | 25 | 19 | 12 | 12 |
| Rainy days | 12 | 19 | 17 | 6 | 14 | 3 | 2 | 1 | 5 | 12 | 18 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rooybank is at