Average annual temperature is 19.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of Riverton
* Weather data for Riverton 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) | 36.5 | 36.8 | 34.5 | 30.6 | 29.3 | 25.8 | 27.3 | 28.8 | 36.0 | 38.0 | 40.5 | 40.0 |
| Average daytime temperature (°C) | 32.7 | 30.7 | 30.2 | 26.5 | 22.0 | 18.8 | 19.6 | 23.8 | 26.5 | 31.0 | 33.9 | 33.9 |
| Average temperature (°C) | 25.7 | 23.9 | 22.7 | 17.8 | 13.9 | 10.7 | 11.0 | 14.6 | 17.2 | 22.3 | 25.8 | 25.7 |
| Average night temperature (°C) | 18.5 | 17.6 | 15.7 | 10.4 | 7.3 | 4.0 | 3.7 | 6.2 | 8.3 | 13.4 | 17.2 | 18.0 |
| Absolute minimum temperature (°C) | 12.3 | 13.5 | 9.7 | 5.1 | 1.2 | 0.0 | -2.4 | -0.6 | 0.8 | 8.3 | 8.3 | 13.9 |
| 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) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 12.5 | 11.5 | 10.7 | 10.3 | 9.0 | 9.2 | 9.1 | 10.2 | 10.4 | 10.8 | 11.6 | 11.5 |
| Precipitation (mm) | 47 | 28 | 32 | 24 | 44 | 4 | 6 | 0 | 8 | 31 | 13 | 68 |
| Sunny days | 19 | 12 | 19 | 23 | 21 | 26 | 28 | 30 | 26 | 25 | 24 | 15 |
| Rainy days | 12 | 16 | 12 | 7 | 10 | 4 | 3 | 1 | 4 | 6 | 6 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riverton is at