Average annual temperature is 22.9 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -0.7 °C
Number of sunny days: 301 days
Number of rainy days: 64 days
Look at detailed online map of Kalkfontein
* Weather data for Kalkfontein Botswana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.2 | 35.0 | 34.9 | 33.2 | 31.3 | 29.8 | 28.6 | 34.4 | 35.9 | 39.5 | 38.6 | 40.5 |
| Average daytime temperature (°C) | 32.1 | 30.2 | 31.6 | 30.6 | 28.1 | 25.1 | 22.5 | 27.2 | 31.2 | 35.2 | 35.2 | 35.1 |
| Average temperature (°C) | 26.0 | 24.0 | 25.4 | 23.8 | 20.5 | 16.2 | 14.8 | 18.8 | 22.6 | 27.0 | 27.8 | 28.3 |
| Average night temperature (°C) | 18.8 | 17.8 | 18.6 | 16.6 | 12.8 | 7.6 | 7.1 | 10.1 | 12.9 | 17.8 | 20.1 | 21.3 |
| Absolute minimum temperature (°C) | 13.3 | 13.7 | 15.0 | 11.5 | 5.6 | 0.7 | -0.7 | 0.6 | 3.3 | 13.7 | 14.9 | 17.5 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 12.1 | 10.7 | 10.6 | 10.2 | 10.1 | 10.0 | 10.1 | 10.5 | 10.9 | 11.0 | 11.5 | 11.8 |
| Precipitation (mm) | 26 | 62 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 30 | 29 |
| Sunny days | 19 | 12 | 23 | 27 | 28 | 30 | 31 | 31 | 30 | 28 | 20 | 22 |
| Rainy days | 12 | 16 | 8 | 3 | 3 | 0 | 0 | 0 | 0 | 3 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalkfontein is at