Average annual temperature is 13.7 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -9.3 °C
Number of sunny days: 222 days
Number of rainy days: 136 days
Number of snow days: 7 days
Look at detailed online map of Heilesu
* Weather data for Heilesu 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) | 16.3 | 15.3 | 25.7 | 30.6 | 31.8 | 33.3 | 36.9 | 35.3 | 30.8 | 24.3 | 24.6 | 18.6 |
| Average daytime temperature (°C) | 7.4 | 9.2 | 17.5 | 20.1 | 23.6 | 27.1 | 31.5 | 29.7 | 24.6 | 20.0 | 13.0 | 7.2 |
| Average temperature (°C) | 1.1 | 3.8 | 11.0 | 14.1 | 18.2 | 22.1 | 25.8 | 24.6 | 20.0 | 14.6 | 7.1 | 1.4 |
| Average night temperature (°C) | -3.6 | -0.6 | 4.9 | 8.3 | 13.4 | 17.5 | 20.6 | 20.3 | 16.2 | 10.1 | 1.7 | -3.1 |
| Absolute minimum temperature (°C) | -9.0 | -5.1 | -2.0 | 2.2 | 7.1 | 12.1 | 15.8 | 14.6 | 11.4 | 6.3 | -4.4 | -9.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 5.6 | 8.3 | 7.3 | 6.9 | 8.8 | 10.0 | 9.6 | 6.7 | 7.2 | 6.8 | 7.0 |
| Precipitation (mm) | 6 | 23 | 23 | 56 | 119 | 101 | 78 | 135 | 105 | 84 | 27 | 29 |
| Sunny days | 28 | 14 | 25 | 19 | 13 | 17 | 16 | 15 | 13 | 18 | 23 | 21 |
| Rainy days | 2 | 12 | 5 | 11 | 18 | 13 | 15 | 16 | 17 | 13 | 7 | 7 |
| Snow days | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Heilesu during the most sunny months:
The largest precipitation sum in Heilesu is at