Average annual temperature is 19.8 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 281 days
Number of rainy days: 84 days
Look at detailed online map of Sydney on Vaal
* Weather data for Sydney on Vaal 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) | 38.2 | 38.7 | 36.0 | 32.2 | 31.6 | 27.1 | 27.6 | 31.1 | 36.1 | 40.1 | 42.2 | 40.8 |
| Average daytime temperature (°C) | 34.3 | 32.5 | 31.9 | 28.5 | 23.8 | 20.2 | 20.3 | 24.7 | 27.1 | 31.9 | 35.3 | 34.8 |
| Average temperature (°C) | 26.4 | 25.0 | 23.6 | 18.7 | 14.8 | 10.8 | 10.9 | 14.6 | 17.4 | 22.8 | 26.4 | 26.4 |
| Average night temperature (°C) | 18.6 | 17.9 | 15.8 | 10.3 | 7.1 | 3.4 | 3.3 | 5.7 | 8.1 | 13.7 | 17.4 | 18.3 |
| Absolute minimum temperature (°C) | 12.6 | 13.8 | 10.4 | 4.9 | -0.8 | -0.9 | -2.8 | -1.0 | 1.5 | 8.5 | 8.3 | 14.1 |
| 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) | 12.6 | 11.5 | 10.8 | 10.3 | 9.2 | 9.1 | 9.1 | 10.2 | 10.4 | 11.1 | 11.4 | 11.4 |
| Precipitation (mm) | 15 | 20 | 32 | 10 | 36 | 20 | 2 | 0 | 8 | 39 | 12 | 76 |
| Sunny days | 20 | 14 | 20 | 24 | 24 | 26 | 27 | 31 | 25 | 26 | 24 | 20 |
| Rainy days | 11 | 14 | 11 | 6 | 7 | 4 | 4 | 0 | 5 | 5 | 6 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sydney on Vaal is at