Average annual temperature is 4.2 °C
Absolute maximum temperature: 27.8 °C
Absolute minimum temperature: -21.8 °C
Number of sunny days: 192 days
Number of rainy days: 112 days
Number of snow days: 61 days
Look at detailed online map of Heihetan
* Weather data for Heihetan 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) | 8.3 | 9.4 | 13.1 | 19.3 | 20.1 | 24.2 | 27.6 | 27.8 | 26.5 | 13.2 | 14.1 | 7.8 |
| Average daytime temperature (°C) | -3.9 | -1.0 | 5.2 | 6.1 | 12.8 | 18.7 | 22.0 | 21.1 | 17.4 | 9.3 | 3.9 | -0.8 |
| Average temperature (°C) | -9.2 | -5.8 | 0.1 | 1.0 | 7.8 | 13.8 | 16.8 | 15.9 | 12.0 | 4.4 | -1.5 | -5.7 |
| Average night temperature (°C) | -13.6 | -11.3 | -5.5 | -4.2 | 2.9 | 8.3 | 11.0 | 10.6 | 7.2 | 0.0 | -5.7 | -10.2 |
| Absolute minimum temperature (°C) | -21.8 | -17.4 | -15.1 | -16.4 | -2.7 | 4.3 | 6.2 | 4.3 | 3.1 | -4.9 | -13.7 | -20.7 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 8.6 | 7.9 | 9.4 | 8.8 | 7.8 | 9.6 | 10.9 | 9.9 | 9.1 | 7.9 | 8.8 | 8.2 |
| Precipitation (mm) | 2 | 17 | 30 | 56 | 69 | 51 | 49 | 49 | 93 | 81 | 9 | 6 |
| Sunny days | 26 | 15 | 16 | 18 | 9 | 10 | 20 | 12 | 7 | 13 | 24 | 22 |
| Rainy days | 0 | 3 | 2 | 2 | 18 | 20 | 11 | 19 | 23 | 13 | 1 | 0 |
| Snow days | 5 | 10 | 13 | 10 | 4 | 0 | 0 | 0 | 0 | 5 | 5 | 9 |
The largest precipitation sum in Heihetan is at