Average annual temperature is 20.9 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 332 days
Number of rainy days: 33 days
Look at detailed online map of Sandfontein
* Weather data for Sandfontein 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) | 42.3 | 39.6 | 38.6 | 35.0 | 30.3 | 23.6 | 26.4 | 31.1 | 34.1 | 38.9 | 42.1 | 37.7 |
| Average daytime temperature (°C) | 37.2 | 35.2 | 30.7 | 28.1 | 21.8 | 17.7 | 18.2 | 22.8 | 23.5 | 30.3 | 34.6 | 34.0 |
| Average temperature (°C) | 29.4 | 27.5 | 23.3 | 21.1 | 16.0 | 12.5 | 12.4 | 16.2 | 16.3 | 23.2 | 26.6 | 26.3 |
| Average night temperature (°C) | 21.1 | 19.6 | 15.8 | 14.2 | 10.4 | 7.8 | 6.9 | 9.7 | 9.1 | 15.3 | 17.6 | 18.1 |
| Absolute minimum temperature (°C) | 12.5 | 14.5 | 10.6 | 7.0 | 4.4 | 3.5 | 1.5 | 4.1 | 2.8 | 9.3 | 9.9 | 12.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 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 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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) | 12.7 | 12.0 | 11.3 | 10.3 | 9.0 | 8.4 | 9.4 | 10.0 | 10.5 | 11.5 | 12.4 | 12.4 |
| Precipitation (mm) | 0 | 0 | 5 | 0 | 4 | 17 | 7 | 0 | 1 | 4 | 0 | 18 |
| Sunny days | 31 | 26 | 28 | 30 | 27 | 22 | 28 | 29 | 26 | 28 | 29 | 28 |
| Rainy days | 0 | 2 | 3 | 0 | 4 | 8 | 3 | 2 | 4 | 3 | 1 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandfontein is at