Average annual temperature is 4.1 °C
Absolute maximum temperature: 27.2 °C
Absolute minimum temperature: -33.1 °C
Number of sunny days: 240 days
Number of rainy days: 76 days
Number of snow days: 49 days
Look at detailed online map of Heiyaomen
* Weather data for Heiyaomen 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) | 3.5 | 4.6 | 9.9 | 19.9 | 17.8 | 24.6 | 27.2 | 25.2 | 23.8 | 12.6 | 10.0 | 6.6 |
| Average daytime temperature (°C) | -7.5 | -3.5 | 3.4 | 5.5 | 11.7 | 18.8 | 22.0 | 20.1 | 15.8 | 8.7 | 2.5 | -2.2 |
| Average temperature (°C) | -11.5 | -7.5 | -0.9 | 1.1 | 7.3 | 14.7 | 17.9 | 16.5 | 12.2 | 5.5 | -1.0 | -5.8 |
| Average night temperature (°C) | -17.6 | -12.5 | -6.4 | -4.4 | 2.8 | 10.2 | 13.4 | 12.5 | 8.1 | 1.4 | -5.4 | -10.4 |
| Absolute minimum temperature (°C) | -33.1 | -17.8 | -13.8 | -16.7 | -6.0 | 4.4 | 7.3 | 8.7 | 1.4 | -7.3 | -14.6 | -28.3 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 8.4 | 8.0 | 10.7 | 9.6 | 9.4 | 10.3 | 11.2 | 9.5 | 9.9 | 9.0 | 8.5 | 7.7 |
| Precipitation (mm) | 4 | 17 | 4 | 32 | 44 | 46 | 38 | 29 | 8 | 12 | 10 | 8 |
| Sunny days | 28 | 16 | 27 | 15 | 12 | 10 | 19 | 18 | 22 | 24 | 24 | 25 |
| Rainy days | 0 | 1 | 0 | 1 | 15 | 20 | 12 | 13 | 8 | 5 | 1 | 0 |
| Snow days | 3 | 11 | 4 | 14 | 4 | 0 | 0 | 0 | 0 | 2 | 5 | 6 |
The largest precipitation sum in Heiyaomen is at