Average annual temperature is 19.7 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -1.4 °C
Number of sunny days: 301 days
Number of rainy days: 64 days
Look at detailed online map of Stilverwag
* Weather data for Stilverwag 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) | 39.7 | 37.3 | 35.5 | 31.4 | 29.3 | 24.6 | 25.0 | 29.1 | 35.4 | 37.9 | 39.8 | 39.7 |
| Average daytime temperature (°C) | 35.4 | 33.4 | 30.0 | 26.3 | 21.3 | 16.8 | 17.9 | 21.8 | 22.3 | 28.8 | 33.1 | 32.6 |
| Average temperature (°C) | 28.7 | 26.6 | 23.2 | 19.2 | 14.3 | 10.5 | 11.0 | 14.7 | 15.1 | 21.6 | 25.9 | 25.9 |
| Average night temperature (°C) | 20.6 | 18.9 | 15.7 | 11.5 | 7.6 | 5.0 | 4.8 | 7.5 | 6.7 | 13.0 | 17.0 | 18.0 |
| Absolute minimum temperature (°C) | 12.3 | 12.5 | 9.6 | 5.5 | 2.0 | 1.2 | -1.4 | 1.1 | -0.4 | 6.3 | 9.8 | 12.9 |
| 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) | 12.8 | 12.1 | 10.7 | 10.2 | 9.2 | 8.1 | 9.0 | 10.1 | 10.5 | 11.4 | 12.4 | 12.2 |
| Precipitation (mm) | 8 | 9 | 25 | 8 | 26 | 18 | 3 | 0 | 11 | 16 | 4 | 82 |
| Sunny days | 24 | 21 | 22 | 29 | 24 | 23 | 25 | 29 | 25 | 29 | 25 | 25 |
| Rainy days | 7 | 7 | 9 | 1 | 7 | 7 | 6 | 2 | 5 | 2 | 5 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Stilverwag is at