Average annual temperature is 15.5 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 200 days
Number of rainy days: 165 days
Look at detailed online map of Helderstroom
* Weather data for Helderstroom 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) | 36.1 | 38.2 | 34.9 | 33.9 | 28.6 | 20.6 | 23.2 | 28.4 | 24.5 | 29.3 | 37.0 | 33.0 |
| Average daytime temperature (°C) | 29.3 | 27.9 | 24.8 | 22.0 | 18.3 | 15.0 | 15.4 | 18.1 | 16.1 | 21.6 | 26.4 | 26.5 |
| Average temperature (°C) | 21.2 | 20.6 | 18.6 | 15.4 | 12.6 | 11.3 | 9.9 | 12.1 | 11.2 | 15.2 | 18.7 | 19.0 |
| Average night temperature (°C) | 15.0 | 15.5 | 14.1 | 10.1 | 7.8 | 8.1 | 5.4 | 7.1 | 6.8 | 10.5 | 12.5 | 13.5 |
| Absolute minimum temperature (°C) | 10.7 | 10.0 | 9.7 | 6.0 | 3.0 | 3.7 | 2.1 | 2.3 | 2.1 | 4.8 | 8.3 | 9.9 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.7 | 10.0 | 9.0 | 8.3 | 7.6 | 5.2 | 8.0 | 8.5 | 8.3 | 10.1 | 12.1 | 11.5 |
| Precipitation (mm) | 15 | 41 | 61 | 41 | 100 | 152 | 63 | 40 | 168 | 54 | 6 | 31 |
| Sunny days | 25 | 15 | 11 | 16 | 18 | 9 | 16 | 20 | 12 | 18 | 22 | 18 |
| Rainy days | 6 | 13 | 20 | 14 | 13 | 21 | 15 | 11 | 18 | 13 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Helderstroom during the most sunny months:
The largest precipitation sum in Helderstroom is at