Average annual temperature is 17.9 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 0.3 °C
Number of sunny days: 231 days
Number of rainy days: 134 days
Look at detailed online map of Vaalblok
* Weather data for Vaalblok 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) | 40.6 | 37.3 | 36.0 | 33.7 | 30.1 | 25.3 | 26.4 | 30.6 | 35.8 | 35.6 | 37.8 | 41.9 |
| Average daytime temperature (°C) | 32.9 | 29.6 | 29.3 | 26.0 | 20.3 | 17.9 | 18.1 | 22.3 | 22.6 | 23.6 | 31.6 | 29.8 |
| Average temperature (°C) | 24.7 | 22.2 | 21.7 | 18.7 | 13.9 | 12.1 | 11.7 | 14.7 | 15.6 | 16.5 | 22.3 | 21.5 |
| Average night temperature (°C) | 17.1 | 16.2 | 15.1 | 11.5 | 8.1 | 7.1 | 5.7 | 7.7 | 8.5 | 10.3 | 13.9 | 14.9 |
| Absolute minimum temperature (°C) | 8.4 | 9.9 | 9.0 | 6.6 | 2.8 | 3.7 | 0.3 | 1.1 | 1.8 | 4.5 | 8.9 | 10.6 |
| 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) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.2 |
| 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) | 11.6 | 10.8 | 10.1 | 9.1 | 7.4 | 8.1 | 8.2 | 9.7 | 9.4 | 9.8 | 12.0 | 10.8 |
| Precipitation (mm) | 48 | 60 | 39 | 20 | 78 | 51 | 24 | 6 | 63 | 32 | 8 | 26 |
| Sunny days | 16 | 13 | 17 | 21 | 21 | 19 | 22 | 26 | 19 | 18 | 20 | 19 |
| Rainy days | 15 | 15 | 14 | 9 | 10 | 11 | 9 | 5 | 11 | 13 | 10 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vaalblok is at