Average annual temperature is 17.4 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -2.0 °C
Number of sunny days: 278 days
Number of rainy days: 87 days
Look at detailed online map of De Aar
* Weather data for De Aar 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) | 38.9 | 35.6 | 33.2 | 28.9 | 25.2 | 21.5 | 24.2 | 26.3 | 33.6 | 34.8 | 37.9 | 38.4 |
| Average daytime temperature (°C) | 32.9 | 30.7 | 28.5 | 24.5 | 18.9 | 14.3 | 15.8 | 19.9 | 21.6 | 26.9 | 31.4 | 31.7 |
| Average temperature (°C) | 25.8 | 23.4 | 21.4 | 16.9 | 12.3 | 8.3 | 8.8 | 12.3 | 14.1 | 18.8 | 23.6 | 23.8 |
| Average night temperature (°C) | 18.2 | 16.4 | 14.5 | 9.7 | 6.4 | 3.1 | 2.6 | 5.3 | 6.3 | 10.7 | 15.0 | 15.6 |
| Absolute minimum temperature (°C) | 9.1 | 10.9 | 6.6 | 4.0 | 0.0 | -1.3 | -2.0 | -1.8 | -1.8 | 5.0 | 9.2 | 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) | 12.6 | 11.7 | 10.5 | 10.0 | 9.1 | 7.8 | 8.8 | 10.1 | 10.4 | 11.4 | 12.0 | 11.9 |
| Precipitation (mm) | 17 | 44 | 41 | 3 | 41 | 22 | 20 | 1 | 44 | 15 | 27 | 45 |
| Sunny days | 19 | 18 | 19 | 26 | 22 | 23 | 26 | 28 | 24 | 26 | 24 | 23 |
| Rainy days | 12 | 10 | 12 | 4 | 9 | 7 | 5 | 3 | 6 | 5 | 6 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in De Aar is at