Average annual temperature is 15.6 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Helderblom
* Weather data for Helderblom 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) | 29.1 | 26.6 | 26.3 | 24.1 | 23.4 | 20.1 | 21.8 | 26.7 | 29.0 | 31.7 | 31.2 | 30.2 |
| Average daytime temperature (°C) | 25.2 | 22.5 | 22.9 | 21.6 | 18.0 | 16.9 | 15.6 | 19.7 | 24.5 | 25.5 | 25.7 | 25.0 |
| Average temperature (°C) | 19.5 | 17.8 | 17.6 | 15.5 | 12.1 | 9.9 | 9.0 | 12.4 | 16.9 | 18.2 | 19.5 | 19.2 |
| Average night temperature (°C) | 13.8 | 13.8 | 12.7 | 9.9 | 7.5 | 4.5 | 3.2 | 5.6 | 9.2 | 11.2 | 13.2 | 13.9 |
| Absolute minimum temperature (°C) | 10.0 | 11.4 | 9.7 | 4.9 | 2.8 | 0.8 | -2.8 | -0.7 | 1.2 | 4.6 | 3.5 | 9.7 |
| 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) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 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 | 9.7 | 10.5 | 10.3 | 9.2 | 9.5 | 9.4 | 10.3 | 11.0 | 10.3 | 10.9 | 11.1 |
| Precipitation (mm) | 53 | 131 | 27 | 8 | 48 | 5 | 3 | 1 | 7 | 51 | 32 | 98 |
| Sunny days | 14 | 4 | 13 | 22 | 16 | 27 | 28 | 29 | 27 | 20 | 13 | 11 |
| Rainy days | 17 | 24 | 18 | 8 | 15 | 3 | 3 | 2 | 3 | 11 | 17 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helderblom is at