Average annual temperature is 15.9 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 230 days
Number of rainy days: 129 days
Number of snow days: 6 days
Look at detailed online map of Heidong
* Weather data for Heidong 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) | 16.1 | 19.8 | 28.8 | 29.0 | 35.9 | 37.7 | 39.6 | 36.8 | 31.9 | 28.0 | 29.3 | 22.5 |
| Average daytime temperature (°C) | 8.1 | 10.5 | 19.4 | 21.5 | 26.3 | 31.8 | 33.9 | 31.4 | 27.3 | 23.2 | 15.0 | 7.4 |
| Average temperature (°C) | 2.3 | 4.9 | 12.8 | 16.0 | 21.1 | 26.3 | 28.8 | 26.7 | 22.8 | 17.5 | 9.4 | 1.7 |
| Average night temperature (°C) | -3.0 | -0.3 | 6.6 | 10.9 | 16.5 | 21.2 | 24.3 | 22.6 | 18.8 | 12.7 | 4.1 | -3.2 |
| Absolute minimum temperature (°C) | -7.2 | -4.3 | 0.8 | 4.8 | 10.7 | 14.8 | 21.1 | 16.4 | 12.7 | 6.9 | -3.3 | -10.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 6.5 | 8.3 | 8.0 | 7.1 | 8.3 | 9.3 | 9.6 | 7.4 | 7.4 | 6.8 | 7.1 |
| Precipitation (mm) | 9 | 27 | 13 | 75 | 159 | 76 | 251 | 152 | 112 | 32 | 28 | 40 |
| Sunny days | 29 | 19 | 27 | 20 | 11 | 15 | 12 | 14 | 14 | 21 | 25 | 23 |
| Rainy days | 1 | 7 | 4 | 10 | 20 | 15 | 19 | 17 | 16 | 10 | 5 | 5 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Heidong is at