Average annual temperature is 17.3 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 184 days
Number of rainy days: 179 days
Number of snow days: 2 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) | 22.2 | 15.9 | 27.6 | 34.4 | 33.8 | 35.6 | 35.8 | 35.5 | 33.2 | 27.2 | 29.6 | 22.7 |
| Average daytime temperature (°C) | 10.7 | 10.8 | 18.1 | 22.8 | 26.8 | 30.1 | 32.0 | 31.0 | 28.0 | 23.8 | 17.9 | 10.3 |
| Average temperature (°C) | 4.9 | 6.7 | 12.7 | 17.8 | 21.9 | 25.8 | 28.6 | 27.4 | 24.6 | 18.9 | 12.3 | 5.3 |
| Average night temperature (°C) | -0.2 | 2.8 | 8.0 | 12.9 | 17.8 | 22.3 | 26.0 | 24.4 | 21.8 | 14.8 | 7.4 | 1.0 |
| Absolute minimum temperature (°C) | -7.0 | -2.9 | 2.8 | 6.2 | 10.3 | 17.6 | 24.3 | 19.1 | 17.3 | 8.4 | 0.3 | -8.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.7 | 4.8 | 6.1 | 7.8 | 7.0 | 7.1 | 7.8 | 9.9 | 6.9 | 7.6 | 7.9 | 6.4 |
| Precipitation (mm) | 53 | 58 | 70 | 78 | 219 | 276 | 232 | 183 | 109 | 25 | 32 | 39 |
| Sunny days | 22 | 15 | 20 | 13 | 10 | 13 | 6 | 8 | 11 | 23 | 23 | 20 |
| Rainy days | 8 | 13 | 11 | 17 | 21 | 17 | 25 | 23 | 19 | 8 | 7 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Heyi during the most sunny months:
The largest precipitation sum in Heyi is at