Average annual temperature is 20.9 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 283 days
Number of rainy days: 82 days
Look at detailed online map of Zwartkop
* Weather data for Zwartkop 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) | 37.4 | 34.2 | 34.7 | 31.4 | 29.4 | 27.8 | 27.3 | 31.9 | 35.1 | 39.0 | 38.6 | 38.3 |
| Average daytime temperature (°C) | 31.6 | 28.9 | 30.3 | 27.9 | 24.6 | 22.7 | 21.2 | 25.0 | 31.1 | 32.4 | 32.9 | 32.4 |
| Average temperature (°C) | 25.3 | 23.3 | 23.9 | 20.4 | 17.1 | 13.9 | 12.9 | 16.4 | 22.1 | 24.2 | 25.7 | 26.0 |
| Average night temperature (°C) | 18.7 | 18.4 | 17.8 | 13.4 | 10.6 | 6.1 | 5.8 | 8.0 | 13.4 | 16.5 | 18.7 | 19.9 |
| Absolute minimum temperature (°C) | 15.6 | 15.4 | 12.8 | 9.1 | 5.1 | 2.6 | 1.5 | 2.1 | 8.8 | 10.5 | 9.6 | 16.1 |
| 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 | 12.0 | 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) | 12.1 | 10.6 | 10.6 | 10.4 | 9.6 | 9.7 | 9.6 | 10.4 | 11.1 | 10.6 | 11.3 | 11.0 |
| Precipitation (mm) | 42 | 132 | 57 | 2 | 46 | 2 | 12 | 0 | 5 | 70 | 21 | 86 |
| Sunny days | 21 | 8 | 22 | 29 | 21 | 29 | 29 | 31 | 28 | 23 | 23 | 19 |
| Rainy days | 10 | 20 | 9 | 1 | 10 | 1 | 2 | 0 | 2 | 8 | 7 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Zwartkop is at