Average annual temperature is 20.4 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 272 days
Number of rainy days: 93 days
Look at detailed online map of Kalkfontein
* Weather data for Kalkfontein 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) | 37.0 | 33.1 | 35.2 | 30.4 | 29.8 | 27.9 | 27.2 | 33.8 | 36.0 | 38.6 | 37.8 | 37.9 |
| Average daytime temperature (°C) | 31.4 | 28.1 | 30.3 | 27.2 | 23.8 | 22.8 | 20.8 | 24.9 | 30.7 | 31.0 | 31.7 | 30.9 |
| Average temperature (°C) | 24.9 | 22.7 | 23.8 | 19.7 | 16.7 | 14.0 | 13.0 | 16.5 | 22.0 | 22.8 | 24.2 | 24.2 |
| Average night temperature (°C) | 18.6 | 18.0 | 17.5 | 13.0 | 11.0 | 6.9 | 6.2 | 8.6 | 13.7 | 15.3 | 17.2 | 18.3 |
| Absolute minimum temperature (°C) | 14.8 | 15.3 | 12.8 | 9.6 | 5.3 | 4.4 | 2.7 | 3.2 | 10.0 | 10.1 | 9.1 | 14.1 |
| 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 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| 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) | 11.9 | 10.2 | 10.4 | 10.3 | 9.3 | 9.7 | 9.6 | 10.2 | 10.8 | 10.4 | 11.3 | 10.9 |
| Precipitation (mm) | 45 | 116 | 45 | 2 | 59 | 2 | 14 | 0 | 7 | 70 | 37 | 132 |
| Sunny days | 20 | 10 | 21 | 27 | 21 | 27 | 28 | 31 | 27 | 24 | 20 | 16 |
| Rainy days | 11 | 18 | 10 | 3 | 10 | 3 | 3 | 0 | 3 | 7 | 10 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalkfontein is at