Average annual temperature is 13.3 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 218 days
Number of rainy days: 144 days
Number of snow days: 3 days
Look at detailed online map of Sieraadsfontein
* Weather data for Sieraadsfontein 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) | 32.9 | 29.5 | 28.0 | 25.8 | 22.2 | 17.8 | 19.5 | 21.7 | 28.8 | 30.3 | 35.5 | 33.6 |
| Average daytime temperature (°C) | 26.5 | 24.1 | 24.2 | 20.3 | 15.4 | 12.1 | 13.0 | 17.2 | 19.7 | 22.0 | 27.5 | 26.5 |
| Average temperature (°C) | 19.2 | 17.5 | 16.7 | 12.9 | 8.9 | 5.9 | 6.2 | 9.3 | 12.0 | 14.0 | 19.2 | 17.8 |
| Average night temperature (°C) | 12.9 | 12.1 | 10.6 | 6.5 | 3.6 | 1.2 | 0.4 | 2.2 | 4.4 | 6.9 | 11.1 | 11.3 |
| Absolute minimum temperature (°C) | 6.6 | 7.2 | 4.0 | 1.7 | -1.6 | -2.7 | -3.6 | -3.3 | -3.5 | 0.1 | 4.5 | 7.2 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 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 | 14.0 |
| Sunshine mean duration (h) | 11.7 | 10.8 | 10.5 | 9.9 | 8.3 | 8.4 | 8.6 | 9.8 | 9.8 | 10.8 | 11.8 | 11.2 |
| Precipitation (mm) | 88 | 100 | 49 | 29 | 92 | 12 | 22 | 5 | 45 | 23 | 47 | 107 |
| Sunny days | 12 | 9 | 12 | 21 | 20 | 21 | 22 | 27 | 24 | 22 | 19 | 9 |
| Rainy days | 19 | 19 | 19 | 9 | 11 | 9 | 6 | 4 | 6 | 9 | 11 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sieraadsfontein is at