Average annual temperature is 17.0 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Clarkson
* Weather data for Clarkson 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) | 36.4 | 31.5 | 33.5 | 33.4 | 29.8 | 24.8 | 24.9 | 30.6 | 28.2 | 28.8 | 35.6 | 35.2 |
| Average daytime temperature (°C) | 25.5 | 24.3 | 23.8 | 21.5 | 19.2 | 18.1 | 16.9 | 20.4 | 17.4 | 19.5 | 22.7 | 22.6 |
| Average temperature (°C) | 21.4 | 20.8 | 19.8 | 17.3 | 15.1 | 14.1 | 12.5 | 15.4 | 13.8 | 16.1 | 18.4 | 19.0 |
| Average night temperature (°C) | 17.7 | 17.5 | 16.5 | 13.8 | 11.2 | 10.7 | 8.5 | 10.7 | 10.2 | 12.9 | 13.9 | 15.5 |
| Absolute minimum temperature (°C) | 12.8 | 12.6 | 11.6 | 8.4 | 5.5 | 7.8 | 3.8 | 5.6 | 6.3 | 9.8 | 10.9 | 12.2 |
| 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) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.9 | 9.1 | 9.4 | 8.3 | 7.3 | 6.5 | 8.2 | 9.4 | 9.0 | 9.0 | 11.2 | 11.1 |
| Precipitation (mm) | 47 | 56 | 81 | 50 | 103 | 104 | 69 | 24 | 130 | 76 | 20 | 56 |
| Sunny days | 19 | 9 | 18 | 16 | 17 | 12 | 17 | 18 | 12 | 12 | 18 | 10 |
| Rainy days | 12 | 19 | 13 | 14 | 14 | 18 | 14 | 13 | 18 | 19 | 12 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Clarkson is at