Average annual temperature is 14.9 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 186 days
Number of rainy days: 178 days
Number of snow days: 1 day
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) | 28.0 | 26.5 | 26.8 | 25.2 | 24.2 | 21.0 | 21.8 | 24.4 | 29.3 | 31.6 | 32.7 | 31.5 |
| Average daytime temperature (°C) | 24.2 | 21.7 | 22.4 | 21.9 | 17.9 | 16.5 | 15.5 | 19.0 | 23.6 | 21.9 | 25.7 | 24.1 |
| Average temperature (°C) | 18.6 | 17.2 | 17.0 | 15.5 | 12.1 | 10.2 | 9.0 | 11.6 | 15.9 | 15.4 | 18.8 | 18.2 |
| Average night temperature (°C) | 13.3 | 13.8 | 12.6 | 9.9 | 7.7 | 5.0 | 3.5 | 4.9 | 8.8 | 9.6 | 12.7 | 13.4 |
| Absolute minimum temperature (°C) | 8.3 | 11.2 | 7.3 | 5.1 | 3.5 | 0.7 | -2.4 | -1.1 | 2.1 | 1.9 | 4.1 | 9.3 |
| 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) | 10.9 | 8.4 | 10.0 | 10.2 | 8.7 | 9.4 | 9.0 | 10.1 | 10.6 | 8.8 | 10.5 | 9.1 |
| Precipitation (mm) | 90 | 192 | 47 | 8 | 62 | 6 | 5 | 2 | 7 | 123 | 30 | 137 |
| Sunny days | 15 | 2 | 6 | 17 | 15 | 29 | 24 | 26 | 20 | 16 | 12 | 4 |
| Rainy days | 16 | 26 | 25 | 13 | 16 | 1 | 6 | 5 | 10 | 15 | 18 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tweefontein is at