Average annual temperature is 15.4 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 229 days
Number of rainy days: 135 days
Number of snow days: 1 day
Look at detailed online map of Tweevlei
* Weather data for Tweevlei 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) | 33.7 | 31.3 | 29.1 | 27.1 | 24.7 | 21.1 | 22.6 | 24.0 | 31.1 | 33.4 | 36.7 | 35.6 |
| Average daytime temperature (°C) | 28.1 | 26.1 | 26.3 | 22.6 | 18.2 | 15.3 | 16.1 | 19.9 | 22.9 | 25.9 | 29.3 | 28.6 |
| Average temperature (°C) | 20.7 | 19.4 | 18.7 | 14.6 | 10.8 | 8.1 | 8.2 | 11.0 | 14.4 | 17.1 | 21.2 | 20.7 |
| Average night temperature (°C) | 13.8 | 13.5 | 12.1 | 7.2 | 4.5 | 2.2 | 1.4 | 2.5 | 5.9 | 8.9 | 12.8 | 13.6 |
| Absolute minimum temperature (°C) | 8.3 | 7.9 | 7.2 | 1.9 | -2.7 | -2.7 | -4.0 | -4.3 | -0.4 | 3.5 | 5.0 | 10.0 |
| 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) | 12.4 | 10.5 | 10.8 | 9.9 | 8.7 | 8.6 | 9.1 | 9.9 | 10.2 | 11.2 | 12.0 | 11.8 |
| Precipitation (mm) | 151 | 117 | 58 | 16 | 86 | 13 | 33 | 1 | 34 | 26 | 33 | 146 |
| Sunny days | 14 | 11 | 13 | 22 | 17 | 25 | 24 | 29 | 26 | 21 | 18 | 9 |
| Rainy days | 17 | 17 | 18 | 8 | 14 | 5 | 6 | 2 | 4 | 10 | 12 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tweevlei is at