Average annual temperature is 17.8 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -0.1 °C
Number of sunny days: 236 days
Number of rainy days: 129 days
Look at detailed online map of Rivonia
* Weather data for Rivonia 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) | 32.8 | 29.3 | 30.1 | 27.3 | 25.8 | 22.7 | 24.6 | 28.3 | 31.3 | 34.0 | 34.1 | 33.4 |
| Average daytime temperature (°C) | 28.4 | 25.1 | 26.2 | 24.5 | 20.6 | 19.6 | 18.1 | 22.2 | 27.0 | 27.7 | 28.4 | 28.1 |
| Average temperature (°C) | 22.1 | 19.9 | 20.0 | 17.8 | 14.2 | 12.4 | 11.0 | 14.3 | 19.1 | 20.1 | 21.4 | 21.8 |
| Average night temperature (°C) | 15.5 | 15.5 | 14.2 | 11.6 | 9.1 | 6.1 | 5.2 | 7.1 | 11.2 | 12.6 | 14.6 | 15.8 |
| Absolute minimum temperature (°C) | 11.8 | 12.4 | 11.2 | 7.0 | 4.7 | 3.5 | -0.1 | 1.7 | 4.1 | 6.5 | 5.8 | 11.9 |
| 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 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| 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) | 11.8 | 9.4 | 10.6 | 10.4 | 9.4 | 9.6 | 9.5 | 10.2 | 10.9 | 10.0 | 10.9 | 11.0 |
| Precipitation (mm) | 55 | 146 | 24 | 14 | 49 | 7 | 1 | 0 | 4 | 49 | 27 | 79 |
| Sunny days | 15 | 8 | 16 | 24 | 18 | 27 | 27 | 30 | 27 | 20 | 14 | 10 |
| Rainy days | 16 | 20 | 15 | 6 | 13 | 3 | 4 | 1 | 3 | 11 | 16 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rivonia is at