Average annual temperature is 22.8 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 4.8 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Helin
* Weather data for Helin 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) | 26.2 | 30.0 | 29.6 | 31.6 | 37.7 | 33.5 | 35.8 | 34.2 | 33.0 | 33.0 | 30.1 | 30.1 |
| Average daytime temperature (°C) | 19.9 | 23.1 | 25.7 | 27.0 | 30.4 | 30.8 | 31.8 | 31.4 | 30.1 | 28.0 | 26.2 | 22.8 |
| Average temperature (°C) | 15.4 | 17.1 | 19.4 | 22.5 | 25.7 | 27.1 | 28.2 | 27.8 | 26.8 | 24.5 | 21.1 | 17.4 |
| Average night temperature (°C) | 11.5 | 12.8 | 15.2 | 19.1 | 22.6 | 24.9 | 25.5 | 25.2 | 24.3 | 21.6 | 17.2 | 13.2 |
| Absolute minimum temperature (°C) | 4.8 | 7.8 | 10.7 | 12.9 | 19.0 | 23.5 | 24.4 | 23.6 | 22.5 | 18.2 | 11.4 | 5.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.5 | 7.9 | 8.7 | 7.4 | 8.5 | 8.7 | 10.0 | 8.8 | 7.3 | 7.6 | 9.3 | 8.2 |
| Precipitation (mm) | 19 | 28 | 54 | 70 | 144 | 322 | 225 | 290 | 300 | 162 | 5 | 4 |
| Sunny days | 20 | 16 | 19 | 12 | 6 | 0 | 1 | 0 | 1 | 13 | 25 | 26 |
| Rainy days | 11 | 12 | 12 | 18 | 25 | 30 | 30 | 31 | 29 | 18 | 5 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helin is at