Average annual temperature is 17.9 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: -0.7 °C
Number of sunny days: 306 days
Number of rainy days: 59 days
Look at detailed online map of Rivierplaas
* Weather data for Rivierplaas 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) | 39.1 | 36.1 | 34.2 | 29.9 | 26.5 | 21.3 | 21.1 | 25.3 | 33.1 | 35.7 | 38.1 | 36.6 |
| Average daytime temperature (°C) | 34.0 | 32.1 | 28.1 | 24.0 | 18.7 | 13.5 | 15.1 | 19.5 | 20.0 | 26.7 | 31.3 | 30.8 |
| Average temperature (°C) | 27.1 | 24.9 | 21.4 | 17.6 | 13.0 | 8.6 | 9.1 | 12.9 | 13.3 | 19.7 | 24.1 | 24.1 |
| Average night temperature (°C) | 18.8 | 17.3 | 14.0 | 10.1 | 7.1 | 4.1 | 3.8 | 6.5 | 6.4 | 11.9 | 15.4 | 16.6 |
| Absolute minimum temperature (°C) | 10.2 | 8.6 | 7.8 | 3.3 | 1.2 | 0.1 | -0.6 | -0.7 | -0.2 | 4.8 | 9.6 | 10.2 |
| 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 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 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 | 13.0 |
| Sunshine mean duration (h) | 12.5 | 12.0 | 10.9 | 10.1 | 9.2 | 6.6 | 8.8 | 10.1 | 10.3 | 11.6 | 12.4 | 12.3 |
| Precipitation (mm) | 4 | 7 | 22 | 6 | 21 | 35 | 5 | 1 | 14 | 17 | 2 | 116 |
| Sunny days | 28 | 24 | 23 | 28 | 26 | 18 | 26 | 28 | 26 | 26 | 27 | 26 |
| Rainy days | 3 | 4 | 8 | 2 | 5 | 12 | 5 | 3 | 4 | 5 | 3 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rivierplaas is at