Average annual temperature is 16.8 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 241 days
Number of rainy days: 124 days
Look at detailed online map of Stillestroom
* Weather data for Stillestroom 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) | 35.2 | 32.7 | 29.3 | 28.1 | 25.2 | 21.4 | 23.6 | 24.3 | 31.4 | 34.7 | 38.0 | 37.6 |
| Average daytime temperature (°C) | 30.5 | 27.2 | 26.6 | 23.5 | 19.1 | 15.4 | 16.4 | 20.0 | 23.4 | 27.1 | 30.5 | 29.6 |
| Average temperature (°C) | 23.6 | 20.9 | 19.7 | 16.0 | 12.2 | 8.5 | 8.9 | 12.0 | 15.5 | 19.2 | 23.0 | 22.1 |
| Average night temperature (°C) | 17.0 | 15.4 | 13.5 | 8.9 | 6.2 | 2.8 | 2.3 | 4.5 | 7.4 | 11.1 | 14.8 | 15.7 |
| Absolute minimum temperature (°C) | 9.4 | 10.5 | 8.0 | 3.9 | -0.5 | -0.7 | -2.5 | -2.0 | 0.3 | 5.8 | 6.3 | 11.6 |
| 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) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 10.6 | 10.5 | 10.2 | 8.9 | 9.0 | 9.0 | 10.0 | 10.2 | 10.9 | 11.7 | 11.5 |
| Precipitation (mm) | 78 | 78 | 28 | 27 | 53 | 14 | 4 | 0 | 21 | 26 | 10 | 112 |
| Sunny days | 15 | 11 | 11 | 23 | 19 | 25 | 27 | 29 | 25 | 22 | 22 | 12 |
| Rainy days | 16 | 17 | 20 | 7 | 12 | 5 | 4 | 2 | 5 | 9 | 8 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Stillestroom is at