Average annual temperature is 16.5 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -0.2 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Thornlands
* Weather data for Thornlands 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) | 35.5 | 33.3 | 30.8 | 29.4 | 26.7 | 23.1 | 25.1 | 27.6 | 33.0 | 35.1 | 38.6 | 36.4 |
| Average daytime temperature (°C) | 28.5 | 26.0 | 26.6 | 24.0 | 19.1 | 17.4 | 18.3 | 22.1 | 23.6 | 23.5 | 29.4 | 26.6 |
| Average temperature (°C) | 21.6 | 20.4 | 19.9 | 16.7 | 12.9 | 11.3 | 11.1 | 13.5 | 15.3 | 16.1 | 20.7 | 19.3 |
| Average night temperature (°C) | 15.8 | 15.9 | 14.6 | 10.5 | 7.3 | 6.3 | 5.1 | 6.4 | 7.7 | 9.7 | 13.3 | 14.0 |
| Absolute minimum temperature (°C) | 8.7 | 12.6 | 7.9 | 4.6 | 1.6 | 1.7 | -0.2 | 0.4 | 0.4 | 4.7 | 7.8 | 10.7 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 10.1 | 8.7 | 10.0 | 9.5 | 7.4 | 8.5 | 8.8 | 9.7 | 9.4 | 8.6 | 11.3 | 8.6 |
| Precipitation (mm) | 137 | 169 | 69 | 38 | 101 | 26 | 11 | 7 | 31 | 57 | 55 | 128 |
| Sunny days | 8 | 6 | 5 | 21 | 18 | 22 | 23 | 26 | 22 | 13 | 12 | 4 |
| Rainy days | 23 | 22 | 26 | 9 | 13 | 8 | 8 | 5 | 8 | 18 | 18 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thornlands is at