Average annual temperature is 15.9 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: 6.2 °C
Number of sunny days: 190 days
Number of rainy days: 175 days
Look at detailed online map of Groot Silwermyn
* Weather data for Groot Silwermyn 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) | 26.4 | 28.2 | 28.4 | 25.1 | 19.1 | 16.9 | 22.4 | 27.6 | 25.2 | 26.9 | 29.1 | 27.4 |
| Average daytime temperature (°C) | 21.9 | 22.4 | 20.4 | 18.2 | 16.2 | 14.8 | 15.0 | 16.6 | 15.3 | 20.3 | 21.4 | 22.4 |
| Average temperature (°C) | 19.0 | 19.2 | 17.5 | 15.7 | 14.1 | 13.3 | 12.3 | 13.5 | 13.1 | 16.3 | 17.6 | 19.0 |
| Average night temperature (°C) | 16.5 | 17.0 | 15.1 | 13.6 | 12.1 | 11.6 | 9.8 | 10.6 | 10.8 | 13.2 | 14.3 | 16.1 |
| Absolute minimum temperature (°C) | 13.7 | 12.4 | 12.2 | 11.1 | 8.9 | 8.0 | 6.2 | 6.2 | 7.1 | 9.8 | 10.8 | 14.0 |
| 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) | 12.5 | 11.6 | 9.9 | 8.7 | 7.9 | 6.0 | 7.5 | 9.0 | 8.6 | 11.5 | 11.8 | 13.0 |
| Precipitation (mm) | 13 | 19 | 69 | 57 | 97 | 163 | 60 | 58 | 112 | 13 | 26 | 10 |
| Sunny days | 21 | 16 | 12 | 14 | 15 | 7 | 20 | 17 | 9 | 19 | 18 | 22 |
| Rainy days | 10 | 12 | 19 | 16 | 16 | 23 | 11 | 14 | 21 | 12 | 12 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Groot Silwermyn during the most sunny months:
The largest precipitation sum in Groot Silwermyn is at