Average annual temperature is 13.0 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 202 days
Number of rainy days: 160 days
Number of snow days: 3 days
Look at detailed online map of Ventersdam
* Weather data for Ventersdam 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 | 27.7 | 26.5 | 24.2 | 21.7 | 18.3 | 19.7 | 21.9 | 27.6 | 29.6 | 34.6 | 33.0 |
| Average daytime temperature (°C) | 25.0 | 23.0 | 23.4 | 20.1 | 15.2 | 11.9 | 12.8 | 16.9 | 19.5 | 21.0 | 26.3 | 25.2 |
| Average temperature (°C) | 18.3 | 16.7 | 16.2 | 13.3 | 9.0 | 6.3 | 6.3 | 9.5 | 12.2 | 13.2 | 18.3 | 16.9 |
| Average night temperature (°C) | 12.5 | 11.7 | 10.5 | 7.2 | 4.0 | 1.8 | 0.7 | 2.6 | 4.6 | 6.4 | 10.5 | 10.9 |
| Absolute minimum temperature (°C) | 6.2 | 6.6 | 4.5 | 0.5 | -3.2 | -2.2 | -4.3 | -2.8 | -4.4 | -0.2 | 2.3 | 6.8 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 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) | 10.9 | 9.9 | 10.3 | 9.7 | 8.2 | 8.4 | 8.5 | 9.9 | 9.8 | 10.1 | 11.4 | 10.5 |
| Precipitation (mm) | 154 | 147 | 59 | 19 | 79 | 6 | 11 | 2 | 31 | 28 | 18 | 104 |
| Sunny days | 6 | 7 | 11 | 21 | 21 | 25 | 22 | 28 | 24 | 16 | 19 | 2 |
| Rainy days | 25 | 21 | 20 | 9 | 10 | 5 | 6 | 3 | 6 | 15 | 11 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ventersdam is at