Average annual temperature is 20.7 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 272 days
Number of rainy days: 93 days
Look at detailed online map of Swartkopfonteinhek
* Weather data for Swartkopfonteinhek 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) | 35.7 | 31.1 | 31.2 | 29.4 | 29.1 | 28.2 | 27.4 | 31.8 | 34.4 | 37.5 | 38.2 | 38.8 |
| Average daytime temperature (°C) | 29.9 | 27.5 | 27.8 | 26.5 | 24.1 | 22.4 | 20.2 | 24.4 | 29.7 | 31.2 | 32.1 | 32.3 |
| Average temperature (°C) | 24.6 | 22.4 | 22.4 | 20.2 | 17.5 | 14.4 | 13.3 | 16.8 | 21.7 | 23.9 | 25.5 | 26.0 |
| Average night temperature (°C) | 19.1 | 17.9 | 17.3 | 14.2 | 11.7 | 7.5 | 7.4 | 9.7 | 13.6 | 16.9 | 19.1 | 19.9 |
| Absolute minimum temperature (°C) | 15.9 | 13.6 | 12.9 | 10.2 | 6.7 | 3.6 | 1.9 | 4.8 | 6.4 | 10.9 | 9.4 | 15.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.8 | 11.3 | 11.9 | 12.7 | 13.3 | 13.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.2 | 9.6 | 10.4 | 10.1 | 9.7 | 9.6 | 9.4 | 10.4 | 11.1 | 10.4 | 11.0 | 11.3 |
| Precipitation (mm) | 30 | 95 | 22 | 5 | 14 | 4 | 5 | 0 | 2 | 31 | 8 | 47 |
| Sunny days | 19 | 6 | 19 | 27 | 21 | 29 | 29 | 30 | 28 | 23 | 23 | 18 |
| Rainy days | 12 | 22 | 12 | 3 | 10 | 1 | 2 | 1 | 2 | 8 | 7 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swartkopfonteinhek is at