Average annual temperature is 21.8 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 211 days
Number of rainy days: 154 days
Look at detailed online map of Thembalethu
* Weather data for Thembalethu 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) | 40.3 | 33.1 | 33.9 | 33.0 | 30.3 | 29.2 | 29.1 | 34.1 | 39.5 | 38.7 | 40.5 | 33.8 |
| Average daytime temperature (°C) | 32.9 | 28.7 | 29.4 | 28.8 | 25.2 | 24.0 | 23.1 | 25.1 | 29.4 | 26.8 | 30.0 | 28.3 |
| Average temperature (°C) | 26.0 | 24.4 | 24.2 | 22.8 | 19.9 | 18.0 | 17.0 | 18.7 | 21.8 | 21.3 | 24.1 | 23.6 |
| Average night temperature (°C) | 20.9 | 21.4 | 19.9 | 17.9 | 15.5 | 12.9 | 11.8 | 13.4 | 16.0 | 17.0 | 19.3 | 19.6 |
| Absolute minimum temperature (°C) | 15.7 | 17.2 | 14.6 | 13.4 | 11.1 | 9.5 | 8.3 | 9.7 | 11.3 | 12.5 | 12.1 | 16.3 |
| 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 | 13.0 | 12.2 | 11.4 | 10.8 | 10.4 | 10.6 | 11.2 | 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) | 11.2 | 9.0 | 10.0 | 9.8 | 8.6 | 9.3 | 8.9 | 8.9 | 9.5 | 8.0 | 9.4 | 7.9 |
| Precipitation (mm) | 32 | 295 | 32 | 6 | 81 | 12 | 15 | 1 | 14 | 100 | 20 | 109 |
| Sunny days | 20 | 3 | 6 | 22 | 18 | 26 | 28 | 25 | 21 | 17 | 16 | 9 |
| Rainy days | 11 | 25 | 25 | 8 | 13 | 4 | 3 | 6 | 9 | 14 | 14 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thembalethu is at