Average annual temperature is 7.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -27.8 °C
Number of sunny days: 199 days
Number of rainy days: 136 days
Number of snow days: 30 days
Look at detailed online map of Heyuantun
* Weather data for Heyuantun 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) | 3.6 | 8.0 | 19.9 | 23.2 | 27.9 | 33.2 | 30.8 | 30.6 | 28.7 | 21.3 | 18.2 | 9.5 |
| Average daytime temperature (°C) | -7.6 | -2.2 | 8.5 | 12.9 | 20.7 | 25.7 | 27.0 | 25.4 | 22.4 | 14.6 | 0.0 | -8.1 |
| Average temperature (°C) | -12.1 | -7.3 | 2.7 | 7.6 | 15.3 | 20.6 | 23.0 | 21.6 | 17.7 | 10.0 | -4.1 | -11.7 |
| Average night temperature (°C) | -17.1 | -12.0 | -1.9 | 2.7 | 10.1 | 16.1 | 19.6 | 18.1 | 13.5 | 5.9 | -7.8 | -15.7 |
| Absolute minimum temperature (°C) | -27.8 | -22.6 | -8.7 | -3.8 | 5.9 | 11.5 | 16.7 | 13.7 | 7.3 | -1.9 | -17.2 | -27.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.7 | 7.9 | 10.1 | 8.8 | 10.5 | 10.3 | 9.3 | 8.5 | 9.3 | 8.6 | 5.8 | 6.1 |
| Precipitation (mm) | 10 | 7 | 8 | 45 | 59 | 113 | 166 | 136 | 28 | 24 | 87 | 15 |
| Sunny days | 21 | 20 | 27 | 17 | 15 | 10 | 5 | 9 | 18 | 22 | 15 | 20 |
| Rainy days | 3 | 1 | 4 | 13 | 16 | 20 | 26 | 22 | 12 | 8 | 9 | 2 |
| Snow days | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 9 |
The largest precipitation sum in Heyuantun is at