Average annual temperature is 11.2 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 251 days
Number of rainy days: 108 days
Number of snow days: 6 days
Look at detailed online map of Heyi
* Weather data for Heyi 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) | 9.2 | 11.9 | 21.3 | 28.0 | 30.6 | 32.9 | 34.5 | 33.1 | 29.9 | 21.8 | 24.0 | 17.7 |
| Average daytime temperature (°C) | 2.2 | 7.1 | 15.1 | 17.5 | 22.6 | 28.0 | 30.2 | 28.9 | 24.1 | 18.6 | 9.1 | 1.8 |
| Average temperature (°C) | -3.3 | 1.3 | 7.8 | 11.2 | 17.0 | 21.6 | 24.3 | 23.5 | 18.8 | 12.4 | 3.3 | -3.7 |
| Average night temperature (°C) | -8.8 | -3.7 | 0.4 | 5.2 | 11.8 | 15.7 | 19.0 | 18.8 | 14.2 | 6.8 | -2.0 | -8.7 |
| Absolute minimum temperature (°C) | -16.8 | -7.3 | -4.8 | -0.6 | 2.6 | 10.0 | 14.1 | 13.1 | 7.0 | 2.6 | -7.5 | -17.3 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.7 | 7.5 | 9.1 | 7.4 | 6.8 | 9.9 | 10.3 | 9.3 | 7.9 | 7.9 | 7.7 | 7.4 |
| Precipitation (mm) | 4 | 13 | 5 | 105 | 81 | 44 | 61 | 127 | 61 | 23 | 15 | 18 |
| Sunny days | 29 | 21 | 24 | 16 | 14 | 21 | 21 | 15 | 14 | 26 | 23 | 27 |
| Rainy days | 0 | 5 | 7 | 14 | 17 | 9 | 10 | 16 | 16 | 5 | 6 | 3 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Heyi during the most sunny months:
The largest precipitation sum in Heyi is at