Average annual temperature is 10.5 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: -23.3 °C
Number of sunny days: 298 days
Number of rainy days: 52 days
Number of snow days: 15 days
Look at detailed online map of Hejiadun
* Weather data for Hejiadun 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) | 5.4 | 10.6 | 19.3 | 31.6 | 29.5 | 36.4 | 39.4 | 37.8 | 35.1 | 21.6 | 18.6 | 9.8 |
| Average daytime temperature (°C) | -3.4 | 4.0 | 13.3 | 15.8 | 23.3 | 30.5 | 32.9 | 30.7 | 25.4 | 17.5 | 6.1 | -1.1 |
| Average temperature (°C) | -9.3 | -1.6 | 6.8 | 10.1 | 17.3 | 25.0 | 26.9 | 25.0 | 19.5 | 11.5 | 0.5 | -6.4 |
| Average night temperature (°C) | -15.6 | -8.5 | -1.4 | 3.1 | 10.5 | 18.1 | 19.7 | 17.9 | 12.2 | 4.8 | -5.7 | -12.4 |
| Absolute minimum temperature (°C) | -23.3 | -13.4 | -7.3 | -4.0 | 3.7 | 10.4 | 13.4 | 13.1 | 4.6 | 0.0 | -12.8 | -22.1 |
| 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) | 8.3 | 8.0 | 10.2 | 8.4 | 8.4 | 9.2 | 10.1 | 8.8 | 9.5 | 8.3 | 8.1 | 7.5 |
| Precipitation (mm) | 1 | 8 | 0 | 9 | 18 | 5 | 8 | 6 | 7 | 6 | 4 | 3 |
| Sunny days | 28 | 22 | 31 | 20 | 23 | 19 | 22 | 28 | 24 | 27 | 28 | 26 |
| Rainy days | 0 | 1 | 0 | 8 | 8 | 11 | 9 | 3 | 6 | 4 | 1 | 1 |
| Snow days | 3 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Hejiadun is at