Average annual temperature is -11.4 °C
Absolute maximum temperature: 13.4 °C
Absolute minimum temperature: -36.4 °C
Number of sunny days: 223 days
Number of rainy days: 36 days
Number of snow days: 106 days
Look at detailed online map of Heweitan
* Weather data for Heweitan 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) | -12.0 | -9.6 | -7.7 | -5.0 | -1.8 | 9.9 | 10.7 | 13.4 | 12.0 | 2.3 | -5.5 | -7.5 |
| Average daytime temperature (°C) | -17.9 | -16.5 | -12.1 | -9.3 | -6.4 | 1.0 | 7.6 | 9.3 | 5.9 | -3.9 | -8.0 | -11.7 |
| Average temperature (°C) | -24.2 | -21.7 | -19.1 | -15.8 | -12.9 | -5.6 | 2.3 | 3.1 | -0.6 | -10.2 | -14.6 | -18.4 |
| Average night temperature (°C) | -30.5 | -27.5 | -27.0 | -24.2 | -22.8 | -14.5 | -2.9 | -2.8 | -7.2 | -17.7 | -21.4 | -24.9 |
| Absolute minimum temperature (°C) | -36.4 | -33.0 | -32.7 | -30.3 | -27.7 | -29.9 | -7.8 | -9.0 | -14.7 | -23.2 | -24.4 | -28.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.6 | 9.9 | 11.0 | 12.0 | 12.4 | 12.0 | 11.1 | 11.6 | 11.4 | 10.2 | 9.4 | 8.9 |
| Precipitation (mm) | 22 | 16 | 4 | 14 | 17 | 22 | 87 | 44 | 0 | 8 | 2 | 2 |
| Sunny days | 19 | 17 | 21 | 20 | 18 | 17 | 4 | 6 | 27 | 22 | 26 | 26 |
| Rainy days | 1 | 1 | 0 | 0 | 1 | 0 | 17 | 16 | 0 | 0 | 0 | 0 |
| Snow days | 11 | 10 | 10 | 10 | 12 | 13 | 10 | 9 | 3 | 9 | 4 | 5 |
The largest precipitation sum in Heweitan is at