Average annual temperature is 19.6 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 272 days
Number of rainy days: 93 days
Look at detailed online map of Kalkdam
* Weather data for Kalkdam 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) | 37.6 | 37.2 | 36.1 | 32.2 | 31.0 | 26.7 | 27.1 | 30.4 | 36.0 | 38.5 | 40.7 | 40.1 |
| Average daytime temperature (°C) | 33.3 | 31.1 | 31.4 | 27.7 | 22.5 | 19.0 | 19.3 | 23.8 | 26.1 | 30.8 | 34.2 | 34.3 |
| Average temperature (°C) | 26.1 | 24.2 | 23.4 | 18.8 | 14.4 | 11.0 | 11.1 | 14.9 | 17.0 | 22.2 | 25.8 | 26.2 |
| Average night temperature (°C) | 19.1 | 17.7 | 16.0 | 11.1 | 7.7 | 4.5 | 4.1 | 6.8 | 8.3 | 13.5 | 17.3 | 18.4 |
| Absolute minimum temperature (°C) | 11.6 | 12.2 | 9.7 | 5.1 | 0.8 | 0.2 | -1.1 | -1.0 | 1.1 | 8.2 | 8.9 | 14.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 12.7 | 11.5 | 10.8 | 10.3 | 9.3 | 9.2 | 9.0 | 10.1 | 10.3 | 11.1 | 11.6 | 11.8 |
| Precipitation (mm) | 28 | 29 | 40 | 20 | 37 | 14 | 1 | 0 | 12 | 49 | 12 | 85 |
| Sunny days | 20 | 15 | 20 | 22 | 21 | 27 | 27 | 30 | 26 | 24 | 23 | 17 |
| Rainy days | 11 | 13 | 11 | 8 | 10 | 3 | 4 | 1 | 4 | 7 | 7 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalkdam is at