Average annual temperature is 7.3 °C
Absolute maximum temperature: 23.3 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 157 days
Number of rainy days: 165 days
Number of snow days: 43 days
Look at detailed online map of Heili
* Weather data for Heili 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) | 13.4 | 12.6 | 11.8 | 17.4 | 23.2 | 23.3 | 22.4 | 20.0 | 18.6 | 18.5 | 12.7 | 10.0 |
| Average daytime temperature (°C) | 8.4 | 7.4 | 9.7 | 14.2 | 16.1 | 18.5 | 18.3 | 17.1 | 16.8 | 13.4 | 7.8 | 5.6 |
| Average temperature (°C) | 0.8 | 1.1 | 3.5 | 7.5 | 10.2 | 13.9 | 14.1 | 13.6 | 12.7 | 8.0 | 1.6 | -0.1 |
| Average night temperature (°C) | -5.9 | -5.3 | -3.8 | -0.2 | 2.8 | 9.8 | 10.5 | 10.4 | 8.3 | 2.2 | -4.9 | -4.9 |
| Absolute minimum temperature (°C) | -8.6 | -9.8 | -7.1 | -6.4 | -4.1 | 7.5 | 6.1 | 8.7 | 2.9 | -3.6 | -12.0 | -9.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.9 | 10.8 | 11.6 | 11.5 | 10.0 | 8.8 | 7.7 | 10.5 | 10.1 | 9.2 | 8.8 |
| Precipitation (mm) | 1 | 16 | 10 | 6 | 39 | 98 | 229 | 236 | 53 | 16 | 23 | 16 |
| Sunny days | 27 | 12 | 13 | 15 | 19 | 6 | 0 | 0 | 6 | 15 | 24 | 20 |
| Rainy days | 0 | 1 | 4 | 15 | 12 | 24 | 31 | 31 | 24 | 16 | 1 | 6 |
| Snow days | 4 | 15 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
The largest precipitation sum in Heili is at