Average annual temperature is 18.1 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 245 days
Number of rainy days: 120 days
Look at detailed online map of Hartbeestfontein
* Weather data for Hartbeestfontein 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) | 31.9 | 28.1 | 29.7 | 25.9 | 25.2 | 24.6 | 22.4 | 28.8 | 30.5 | 34.0 | 33.3 | 33.3 |
| Average daytime temperature (°C) | 26.9 | 24.2 | 25.0 | 23.6 | 21.1 | 19.7 | 17.1 | 21.3 | 26.8 | 28.1 | 28.2 | 27.5 |
| Average temperature (°C) | 21.5 | 19.7 | 19.8 | 18.3 | 15.7 | 13.8 | 11.0 | 14.5 | 19.4 | 20.7 | 21.7 | 21.4 |
| Average night temperature (°C) | 15.9 | 15.6 | 14.8 | 13.3 | 10.9 | 8.3 | 5.3 | 8.0 | 12.0 | 13.4 | 15.5 | 15.4 |
| Absolute minimum temperature (°C) | 13.0 | 13.8 | 10.9 | 9.6 | 6.0 | 2.8 | -0.6 | 2.2 | 5.1 | 7.6 | 6.4 | 11.3 |
| 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) | 12.0 | 10.6 | 10.4 | 10.3 | 9.8 | 9.7 | 9.6 | 10.4 | 11.1 | 10.7 | 11.5 | 10.9 |
| Precipitation (mm) | 44 | 199 | 53 | 6 | 59 | 2 | 16 | 0 | 10 | 52 | 30 | 140 |
| Sunny days | 17 | 5 | 17 | 23 | 20 | 28 | 29 | 31 | 26 | 24 | 13 | 12 |
| Rainy days | 14 | 23 | 14 | 7 | 11 | 2 | 2 | 0 | 4 | 7 | 17 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hartbeestfontein is at