Average annual temperature is 0.1 °C
Absolute maximum temperature: 18.9 °C
Absolute minimum temperature: -24.2 °C
Number of sunny days: 93 days
Number of rainy days: 166 days
Number of snow days: 106 days
Look at detailed online map of Heiru
* Weather data for Heiru 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) | 7.0 | 6.6 | 3.8 | 9.9 | 17.8 | 18.9 | 17.6 | 16.5 | 14.4 | 15.2 | 4.6 | 0.7 |
| Average daytime temperature (°C) | -0.8 | -0.6 | -1.3 | 4.1 | 8.7 | 12.1 | 13.4 | 13.6 | 12.3 | 5.7 | -0.1 | -6.1 |
| Average temperature (°C) | -6.7 | -5.4 | -5.8 | -1.3 | 3.2 | 7.0 | 8.6 | 8.8 | 6.7 | 0.5 | -4.8 | -10.3 |
| Average night temperature (°C) | -13.5 | -10.5 | -11.7 | -7.2 | -2.9 | 2.2 | 4.2 | 4.4 | 1.7 | -4.3 | -10.4 | -16.4 |
| Absolute minimum temperature (°C) | -21.5 | -18.1 | -17.4 | -14.7 | -10.6 | -1.2 | 0.2 | 0.9 | -1.8 | -9.3 | -16.2 | -24.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.2 | 9.0 | 9.7 | 10.3 | 11.3 | 9.5 | 9.6 | 9.4 | 10.3 | 9.5 | 9.0 | 8.6 |
| Precipitation (mm) | 4 | 29 | 44 | 54 | 78 | 149 | 165 | 232 | 94 | 86 | 13 | 18 |
| Sunny days | 23 | 12 | 9 | 3 | 4 | 0 | 2 | 0 | 1 | 3 | 18 | 18 |
| Rainy days | 1 | 1 | 1 | 7 | 22 | 30 | 29 | 31 | 29 | 14 | 0 | 1 |
| Snow days | 7 | 15 | 21 | 20 | 5 | 0 | 0 | 0 | 0 | 14 | 12 | 12 |
The largest precipitation sum in Heiru is at