Average annual temperature is 16.1 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 252 days
Number of rainy days: 113 days
Look at detailed online map of Oviston
* Weather data for Oviston 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) | 33.8 | 31.9 | 31.3 | 26.2 | 23.6 | 20.5 | 21.9 | 24.7 | 31.6 | 33.0 | 37.2 | 36.0 |
| Average daytime temperature (°C) | 29.2 | 26.8 | 26.2 | 22.0 | 17.6 | 14.1 | 15.4 | 19.8 | 22.0 | 25.8 | 29.6 | 29.3 |
| Average temperature (°C) | 22.5 | 20.8 | 19.7 | 15.2 | 11.4 | 8.3 | 8.4 | 11.4 | 14.2 | 17.7 | 22.0 | 21.9 |
| Average night temperature (°C) | 16.3 | 15.5 | 13.8 | 9.1 | 6.1 | 3.4 | 2.4 | 4.0 | 6.6 | 10.2 | 14.2 | 15.3 |
| Absolute minimum temperature (°C) | 9.4 | 11.3 | 7.2 | 3.5 | 0.8 | -0.1 | -1.5 | -1.9 | -0.2 | 4.8 | 7.5 | 11.0 |
| 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) | 12.4 | 11.1 | 10.8 | 9.9 | 8.5 | 8.6 | 8.8 | 9.9 | 10.1 | 11.2 | 11.8 | 11.9 |
| Precipitation (mm) | 43 | 81 | 32 | 23 | 85 | 5 | 23 | 1 | 30 | 13 | 34 | 83 |
| Sunny days | 16 | 15 | 15 | 24 | 20 | 25 | 24 | 30 | 25 | 26 | 18 | 14 |
| Rainy days | 15 | 13 | 16 | 6 | 11 | 5 | 7 | 1 | 5 | 5 | 12 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oviston is at