Average annual temperature is 15.4 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 233 days
Number of rainy days: 132 days
Look at detailed online map of Helmekaal
* Weather data for Helmekaal 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) | 34.4 | 31.6 | 30.1 | 27.5 | 24.9 | 21.0 | 22.3 | 24.0 | 31.4 | 33.9 | 37.7 | 36.1 |
| Average daytime temperature (°C) | 29.1 | 26.6 | 26.7 | 22.6 | 18.1 | 14.9 | 16.0 | 19.8 | 22.6 | 26.1 | 29.9 | 29.4 |
| Average temperature (°C) | 21.3 | 19.7 | 19.0 | 14.4 | 10.5 | 7.4 | 7.8 | 10.6 | 14.1 | 17.1 | 21.6 | 21.1 |
| Average night temperature (°C) | 14.5 | 13.9 | 12.2 | 6.9 | 4.1 | 1.4 | 0.7 | 2.2 | 5.3 | 8.7 | 13.1 | 14.2 |
| Absolute minimum temperature (°C) | 8.1 | 8.7 | 6.2 | 1.3 | -1.6 | -2.6 | -3.7 | -3.9 | -1.9 | 3.1 | 5.3 | 10.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.5 | 10.8 | 10.8 | 9.9 | 8.5 | 8.6 | 8.9 | 10.0 | 10.1 | 11.3 | 11.9 | 11.9 |
| Precipitation (mm) | 109 | 113 | 39 | 24 | 80 | 6 | 15 | 2 | 41 | 29 | 27 | 150 |
| Sunny days | 14 | 9 | 14 | 23 | 21 | 24 | 24 | 28 | 24 | 21 | 21 | 10 |
| Rainy days | 17 | 19 | 17 | 7 | 10 | 6 | 7 | 3 | 6 | 10 | 9 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helmekaal is at