Average annual temperature is 15.0 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 220 days
Number of rainy days: 144 days
Number of snow days: 1 day
Look at detailed online map of Sterkstroom
* Weather data for Sterkstroom 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) | 32.3 | 29.9 | 28.2 | 25.9 | 23.9 | 20.5 | 21.9 | 23.1 | 30.9 | 32.8 | 36.3 | 34.2 |
| Average daytime temperature (°C) | 27.1 | 25.1 | 25.4 | 21.6 | 17.5 | 14.6 | 15.3 | 19.1 | 22.3 | 25.3 | 28.3 | 27.3 |
| Average temperature (°C) | 20.1 | 18.8 | 18.0 | 14.3 | 10.8 | 8.1 | 8.0 | 11.0 | 14.3 | 16.8 | 20.5 | 20.0 |
| Average night temperature (°C) | 13.6 | 13.1 | 11.7 | 7.6 | 5.1 | 2.6 | 1.7 | 3.3 | 6.3 | 8.7 | 12.5 | 13.4 |
| Absolute minimum temperature (°C) | 6.9 | 8.6 | 5.5 | 1.4 | -1.2 | -1.3 | -5.1 | -4.1 | -0.7 | 3.5 | 5.3 | 9.1 |
| 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) | 12.2 | 10.5 | 10.8 | 10.0 | 8.7 | 8.7 | 9.0 | 10.0 | 10.1 | 11.2 | 11.9 | 11.8 |
| Precipitation (mm) | 146 | 100 | 89 | 16 | 68 | 15 | 10 | 3 | 30 | 29 | 45 | 166 |
| Sunny days | 11 | 9 | 11 | 23 | 18 | 25 | 24 | 27 | 26 | 20 | 17 | 9 |
| Rainy days | 20 | 19 | 20 | 7 | 13 | 5 | 6 | 4 | 4 | 11 | 13 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sterkstroom is at