Average annual temperature is 18.5 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 1.0 °C
Number of sunny days: 241 days
Number of rainy days: 124 days
Look at detailed online map of Tweefontein
* Weather data for Tweefontein 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) | 34.2 | 30.7 | 31.2 | 27.8 | 26.5 | 23.9 | 23.9 | 30.1 | 33.7 | 34.5 | 34.7 | 34.3 |
| Average daytime temperature (°C) | 29.0 | 26.0 | 27.2 | 24.7 | 20.9 | 20.1 | 18.6 | 22.6 | 27.6 | 27.8 | 28.9 | 28.0 |
| Average temperature (°C) | 22.5 | 20.6 | 20.9 | 18.3 | 15.0 | 13.3 | 11.9 | 15.2 | 20.0 | 20.5 | 21.8 | 21.8 |
| Average night temperature (°C) | 16.0 | 16.1 | 14.9 | 12.4 | 10.0 | 7.2 | 5.7 | 7.9 | 12.5 | 13.5 | 15.6 | 16.2 |
| Absolute minimum temperature (°C) | 12.8 | 13.1 | 10.8 | 8.0 | 4.5 | 4.2 | 1.0 | 3.1 | 6.0 | 8.0 | 6.6 | 11.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.2 | 11.9 | 12.7 | 13.3 | 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) | 12.0 | 10.3 | 10.4 | 10.2 | 9.3 | 9.7 | 9.5 | 10.2 | 10.8 | 10.1 | 11.2 | 10.9 |
| Precipitation (mm) | 37 | 126 | 33 | 8 | 62 | 1 | 11 | 0 | 16 | 72 | 37 | 120 |
| Sunny days | 18 | 7 | 17 | 24 | 17 | 27 | 27 | 31 | 27 | 20 | 17 | 9 |
| Rainy days | 13 | 21 | 14 | 6 | 14 | 3 | 4 | 0 | 3 | 11 | 13 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tweefontein is at