Average annual temperature is 7.0 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 218 days
Number of rainy days: 126 days
Number of snow days: 21 days
Look at detailed online map of Helong
* Weather data for Helong 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) | 3.4 | 9.8 | 21.5 | 22.9 | 27.7 | 32.6 | 31.5 | 30.7 | 29.0 | 22.3 | 18.7 | 7.1 |
| Average daytime temperature (°C) | -8.7 | -1.5 | 8.5 | 14.2 | 22.3 | 26.2 | 27.3 | 25.9 | 23.1 | 15.4 | -1.8 | -8.1 |
| Average temperature (°C) | -13.0 | -7.3 | 2.3 | 8.2 | 16.2 | 21.4 | 23.4 | 21.9 | 17.7 | 9.6 | -5.6 | -11.8 |
| Average night temperature (°C) | -17.7 | -12.4 | -2.4 | 2.5 | 10.7 | 16.6 | 20.0 | 18.2 | 13.1 | 4.5 | -9.3 | -15.2 |
| Absolute minimum temperature (°C) | -26.1 | -17.8 | -8.2 | -3.5 | 4.5 | 11.6 | 17.1 | 13.0 | 6.7 | -1.9 | -15.0 | -22.7 |
| 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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 6.4 | 8.3 | 10.0 | 9.4 | 10.4 | 11.0 | 9.1 | 8.9 | 10.3 | 9.0 | 6.1 | 6.4 |
| Precipitation (mm) | 5 | 1 | 3 | 39 | 27 | 50 | 246 | 141 | 27 | 7 | 61 | 8 |
| Sunny days | 24 | 24 | 28 | 19 | 17 | 10 | 6 | 11 | 17 | 22 | 17 | 23 |
| Rainy days | 2 | 0 | 3 | 11 | 14 | 20 | 25 | 20 | 13 | 9 | 8 | 1 |
| Snow days | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 7 |
Months with the longest average daylight duration in Helong:
The largest precipitation sum in Helong is at