Average annual temperature is 11.3 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -19.5 °C
Number of sunny days: 292 days
Number of rainy days: 65 days
Number of snow days: 8 days
Look at detailed online map of Helanshan
* Weather data for Helanshan China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.9 | 12.4 | 22.8 | 31.0 | 32.4 | 37.0 | 36.3 | 35.7 | 33.9 | 23.9 | 21.2 | 13.5 |
| Average daytime temperature (°C) | 1.7 | 5.8 | 15.5 | 17.3 | 24.7 | 30.8 | 31.9 | 31.0 | 25.9 | 19.3 | 7.4 | 1.3 |
| Average temperature (°C) | -5.2 | -0.5 | 7.2 | 11.3 | 18.3 | 24.3 | 25.5 | 25.0 | 19.9 | 12.7 | 1.0 | -4.9 |
| Average night temperature (°C) | -11.3 | -6.5 | -1.2 | 5.1 | 12.3 | 17.5 | 19.2 | 18.9 | 14.3 | 6.4 | -4.3 | -9.9 |
| Absolute minimum temperature (°C) | -18.5 | -10.5 | -5.9 | -4.0 | 5.8 | 12.6 | 15.3 | 13.3 | 7.9 | 2.8 | -10.1 | -19.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 7.8 | 9.6 | 7.3 | 7.3 | 10.3 | 10.2 | 10.0 | 9.0 | 8.1 | 8.2 | 7.5 |
| Precipitation (mm) | 0 | 5 | 0 | 22 | 16 | 12 | 28 | 41 | 14 | 13 | 5 | 1 |
| Sunny days | 30 | 24 | 30 | 20 | 18 | 27 | 20 | 20 | 22 | 25 | 27 | 29 |
| Rainy days | 0 | 0 | 1 | 9 | 13 | 3 | 11 | 11 | 8 | 6 | 3 | 0 |
| Snow days | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Helanshan is at