Average annual temperature is 16.4 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Modderfontein
* Weather data for Modderfontein 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) | 30.6 | 27.2 | 28.5 | 26.1 | 24.7 | 21.3 | 23.8 | 27.6 | 30.0 | 33.0 | 32.5 | 31.3 |
| Average daytime temperature (°C) | 26.4 | 23.6 | 24.6 | 23.1 | 19.1 | 18.2 | 16.8 | 20.9 | 25.6 | 26.1 | 26.9 | 26.0 |
| Average temperature (°C) | 20.3 | 18.6 | 18.7 | 16.4 | 12.9 | 10.9 | 9.8 | 13.0 | 17.7 | 18.7 | 20.2 | 20.1 |
| Average night temperature (°C) | 14.0 | 14.3 | 13.2 | 10.4 | 8.0 | 4.9 | 3.8 | 5.7 | 9.8 | 11.6 | 13.7 | 14.6 |
| Absolute minimum temperature (°C) | 10.8 | 11.5 | 10.5 | 5.4 | 3.2 | 1.5 | -2.1 | -0.2 | 2.6 | 4.8 | 4.1 | 10.5 |
| 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) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| 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) | 11.9 | 9.4 | 10.6 | 10.4 | 9.4 | 9.6 | 9.5 | 10.3 | 10.9 | 10.0 | 10.9 | 11.0 |
| Precipitation (mm) | 53 | 140 | 25 | 15 | 50 | 7 | 2 | 0 | 8 | 54 | 33 | 84 |
| Sunny days | 17 | 7 | 13 | 24 | 18 | 27 | 27 | 31 | 27 | 21 | 13 | 10 |
| Rainy days | 14 | 21 | 18 | 6 | 13 | 3 | 4 | 0 | 3 | 10 | 17 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Modderfontein is at