Average annual temperature is 6.6 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -30.6 °C
Number of sunny days: 196 days
Number of rainy days: 139 days
Number of snow days: 30 days
Look at detailed online map of Helicun
* Weather data for Helicun 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) | 3.0 | 7.4 | 19.5 | 22.9 | 27.5 | 31.9 | 30.8 | 30.3 | 28.2 | 20.7 | 17.6 | 8.8 |
| Average daytime temperature (°C) | -7.8 | -2.6 | 8.2 | 12.6 | 20.2 | 25.2 | 26.7 | 25.1 | 22.0 | 14.1 | -0.5 | -8.4 |
| Average temperature (°C) | -12.5 | -7.8 | 2.3 | 7.2 | 14.8 | 20.1 | 22.7 | 21.3 | 17.3 | 9.6 | -4.5 | -12.0 |
| Average night temperature (°C) | -17.7 | -12.6 | -2.4 | 2.2 | 9.5 | 15.8 | 19.2 | 17.9 | 13.0 | 5.2 | -8.3 | -16.0 |
| Absolute minimum temperature (°C) | -30.6 | -23.4 | -9.0 | -4.0 | 5.1 | 11.3 | 16.3 | 13.3 | 6.5 | -1.8 | -17.7 | -27.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.7 | 8.0 | 10.1 | 8.8 | 10.4 | 10.4 | 9.4 | 8.6 | 9.3 | 8.6 | 5.9 | 6.1 |
| Precipitation (mm) | 10 | 7 | 7 | 46 | 56 | 110 | 181 | 134 | 36 | 27 | 86 | 16 |
| Sunny days | 21 | 20 | 27 | 17 | 15 | 9 | 7 | 7 | 17 | 20 | 16 | 20 |
| Rainy days | 4 | 0 | 4 | 13 | 16 | 21 | 24 | 24 | 13 | 10 | 9 | 1 |
| Snow days | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 10 |
The largest precipitation sum in Helicun is at