Average annual temperature is 6.6 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: -27.9 °C
Number of sunny days: 245 days
Number of rainy days: 100 days
Number of snow days: 20 days
Look at detailed online map of Heisi
* Weather data for Heisi 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) | 4.9 | 6.4 | 15.6 | 24.7 | 27.3 | 29.4 | 30.4 | 29.5 | 27.2 | 17.8 | 17.4 | 6.6 |
| Average daytime temperature (°C) | -5.1 | 0.7 | 8.5 | 11.0 | 19.4 | 25.0 | 25.6 | 24.9 | 20.5 | 14.0 | 1.6 | -4.9 |
| Average temperature (°C) | -9.9 | -4.1 | 2.4 | 5.5 | 13.4 | 19.2 | 20.5 | 19.6 | 15.3 | 8.5 | -2.9 | -9.3 |
| Average night temperature (°C) | -14.8 | -9.0 | -3.0 | 0.5 | 8.2 | 13.2 | 15.7 | 14.9 | 10.5 | 3.7 | -7.1 | -13.7 |
| Absolute minimum temperature (°C) | -27.9 | -16.5 | -10.8 | -5.2 | 1.9 | 6.7 | 9.8 | 8.9 | 3.2 | -2.5 | -16.8 | -26.8 |
| 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 | 14.7 | 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) | 7.8 | 7.9 | 9.9 | 7.6 | 8.4 | 11.6 | 9.5 | 10.0 | 9.5 | 8.6 | 7.7 | 7.1 |
| Precipitation (mm) | 6 | 16 | 7 | 72 | 34 | 38 | 102 | 55 | 51 | 15 | 4 | 16 |
| Sunny days | 28 | 19 | 27 | 15 | 15 | 22 | 15 | 15 | 17 | 24 | 25 | 23 |
| Rainy days | 3 | 0 | 3 | 11 | 16 | 8 | 16 | 16 | 13 | 7 | 3 | 4 |
| Snow days | 0 | 9 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Heisi during the most sunny months:
The largest precipitation sum in Heisi is at