Average annual temperature is 10.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -22.7 °C
Number of sunny days: 286 days
Number of rainy days: 73 days
Number of snow days: 6 days
Look at detailed online map of Helan County
* Weather data for Helan County 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) | 6.5 | 11.7 | 22.5 | 30.4 | 31.9 | 36.2 | 35.6 | 35.5 | 32.5 | 23.0 | 21.1 | 13.1 |
| Average daytime temperature (°C) | -0.1 | 5.2 | 15.0 | 16.8 | 24.1 | 30.8 | 31.4 | 31.0 | 25.4 | 19.0 | 6.2 | 0.0 |
| Average temperature (°C) | -7.4 | -1.2 | 6.6 | 10.6 | 17.9 | 24.1 | 25.0 | 24.8 | 19.5 | 12.2 | -0.3 | -6.5 |
| Average night temperature (°C) | -13.9 | -7.2 | -1.7 | 4.4 | 12.1 | 17.4 | 19.0 | 18.8 | 14.1 | 5.8 | -5.4 | -12.0 |
| Absolute minimum temperature (°C) | -22.3 | -11.0 | -6.9 | -4.1 | 6.4 | 11.3 | 15.0 | 12.4 | 6.9 | 2.4 | -12.0 | -22.7 |
| 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 | 14.6 | 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 | 6.7 | 7.0 | 9.7 | 9.7 | 10.1 | 8.7 | 7.9 | 8.0 | 7.5 |
| Precipitation (mm) | 1 | 4 | 0 | 19 | 26 | 8 | 32 | 49 | 12 | 4 | 4 | 1 |
| Sunny days | 29 | 26 | 28 | 17 | 18 | 25 | 22 | 18 | 21 | 25 | 29 | 28 |
| Rainy days | 0 | 1 | 3 | 13 | 13 | 5 | 9 | 13 | 9 | 6 | 1 | 0 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Helan County is at