Average annual temperature is 13.7 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 200 days
Number of rainy days: 163 days
Number of snow days: 2 days
Look at detailed online map of Rossouw
* Weather data for Rossouw 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) | 31.5 | 28.1 | 26.6 | 24.7 | 22.3 | 19.1 | 20.4 | 22.1 | 28.6 | 30.6 | 35.3 | 32.7 |
| Average daytime temperature (°C) | 25.7 | 23.6 | 23.8 | 20.3 | 16.0 | 12.7 | 13.8 | 17.9 | 20.9 | 22.6 | 27.2 | 25.7 |
| Average temperature (°C) | 18.9 | 17.4 | 16.8 | 13.5 | 9.7 | 7.1 | 7.0 | 10.0 | 13.0 | 14.5 | 19.1 | 17.9 |
| Average night temperature (°C) | 13.0 | 12.3 | 11.3 | 7.5 | 4.8 | 2.7 | 1.3 | 3.1 | 5.5 | 7.5 | 11.5 | 11.8 |
| Absolute minimum temperature (°C) | 7.2 | 7.0 | 5.9 | 1.7 | -2.6 | -0.4 | -3.1 | -3.4 | -2.9 | 0.1 | 4.1 | 7.9 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.2 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 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 | 14.0 |
| Sunshine mean duration (h) | 11.8 | 10.2 | 10.8 | 9.6 | 8.5 | 8.0 | 8.4 | 9.9 | 9.8 | 10.9 | 11.7 | 11.3 |
| Precipitation (mm) | 154 | 133 | 74 | 10 | 75 | 9 | 9 | 10 | 32 | 26 | 29 | 113 |
| Sunny days | 8 | 5 | 11 | 22 | 19 | 20 | 22 | 26 | 24 | 20 | 17 | 6 |
| Rainy days | 23 | 23 | 20 | 8 | 12 | 10 | 7 | 5 | 6 | 11 | 13 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rossouw is at