Average annual temperature is 14.5 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 230 days
Number of rainy days: 127 days
Number of snow days: 8 days
Look at detailed online map of Heiyan
* Weather data for Heiyan 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) | 13.3 | 16.2 | 26.3 | 25.3 | 31.3 | 33.9 | 38.5 | 32.3 | 28.0 | 26.5 | 27.1 | 23.4 |
| Average daytime temperature (°C) | 5.6 | 7.5 | 16.8 | 18.7 | 22.7 | 28.5 | 31.0 | 27.4 | 23.8 | 20.4 | 12.3 | 4.7 |
| Average temperature (°C) | 1.8 | 3.7 | 12.0 | 14.5 | 19.4 | 24.8 | 26.8 | 24.5 | 20.8 | 16.5 | 7.9 | 0.5 |
| Average night temperature (°C) | -2.6 | 0.3 | 7.0 | 10.5 | 16.2 | 21.2 | 23.1 | 21.8 | 17.8 | 13.0 | 3.9 | -3.5 |
| Absolute minimum temperature (°C) | -11.3 | -3.7 | 0.4 | 3.9 | 11.3 | 15.1 | 20.7 | 15.7 | 13.5 | 7.7 | -4.0 | -14.4 |
| 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 | 14.3 | 13.5 | 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) | 7.5 | 7.2 | 9.2 | 8.0 | 7.4 | 9.7 | 9.9 | 9.7 | 7.4 | 7.6 | 7.4 | 7.0 |
| Precipitation (mm) | 15 | 13 | 18 | 70 | 101 | 56 | 117 | 168 | 78 | 16 | 27 | 34 |
| Sunny days | 27 | 23 | 26 | 20 | 13 | 16 | 14 | 6 | 13 | 24 | 25 | 23 |
| Rainy days | 2 | 2 | 4 | 10 | 18 | 14 | 17 | 25 | 17 | 7 | 4 | 7 |
| Snow days | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Heiyan is at