Average annual temperature is 13.5 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 315 days
Number of rainy days: 40 days
Number of snow days: 10 days
Look at detailed online map of Heini
* Weather data for Heini 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) | 8.0 | 15.1 | 25.1 | 30.8 | 33.6 | 38.1 | 40.5 | 37.2 | 34.9 | 25.4 | 21.2 | 18.6 |
| Average daytime temperature (°C) | -2.5 | 7.7 | 19.3 | 21.8 | 26.8 | 33.1 | 35.2 | 32.5 | 29.1 | 21.8 | 12.7 | 5.5 |
| Average temperature (°C) | -8.5 | 0.8 | 11.2 | 15.0 | 20.1 | 26.6 | 28.9 | 26.3 | 22.1 | 14.4 | 5.2 | -1.3 |
| Average night temperature (°C) | -13.4 | -4.6 | 2.6 | 7.3 | 11.8 | 19.0 | 22.0 | 20.0 | 15.0 | 7.8 | -1.1 | -6.3 |
| Absolute minimum temperature (°C) | -20.5 | -11.3 | -2.7 | -0.7 | 4.9 | 11.5 | 18.2 | 14.5 | 8.6 | 3.8 | -4.0 | -10.4 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 8.3 | 9.8 | 8.7 | 9.7 | 10.6 | 8.9 | 8.8 | 9.5 | 8.2 | 8.4 | 7.9 |
| Precipitation (mm) | 14 | 2 | 0 | 20 | 13 | 12 | 1 | 15 | 7 | 3 | 0 | 0 |
| Sunny days | 25 | 23 | 31 | 24 | 25 | 24 | 27 | 22 | 27 | 27 | 29 | 31 |
| Rainy days | 0 | 1 | 0 | 6 | 6 | 6 | 4 | 9 | 3 | 4 | 1 | 0 |
| Snow days | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heini is at