Average annual temperature is 2.7 °C
Absolute maximum temperature: 20.6 °C
Absolute minimum temperature: -17.6 °C
Number of sunny days: 101 days
Number of rainy days: 181 days
Number of snow days: 83 days
Look at detailed online map of Decha
* Weather data for Decha 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) | 12.2 | 9.8 | 8.0 | 12.1 | 19.6 | 20.6 | 20.0 | 18.8 | 16.2 | 17.3 | 9.5 | 8.1 |
| Average daytime temperature (°C) | 4.5 | 3.3 | 3.3 | 8.2 | 12.0 | 13.4 | 15.2 | 15.0 | 14.5 | 9.1 | 4.8 | 3.1 |
| Average temperature (°C) | -3.0 | -3.3 | -2.5 | 1.6 | 5.5 | 7.6 | 9.7 | 9.7 | 8.0 | 3.1 | -1.1 | -2.9 |
| Average night temperature (°C) | -9.3 | -9.6 | -8.3 | -4.7 | -1.0 | 2.5 | 5.1 | 5.7 | 2.4 | -2.0 | -5.8 | -7.4 |
| Absolute minimum temperature (°C) | -13.5 | -17.6 | -14.7 | -9.2 | -8.5 | -0.9 | 1.9 | 3.8 | -0.8 | -7.1 | -7.9 | -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 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| 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 | 10.7 | 11.2 | 11.6 | 9.1 | 9.7 | 8.9 | 10.6 | 9.2 | 9.4 | 9.1 |
| Precipitation (mm) | 1 | 26 | 37 | 107 | 72 | 229 | 216 | 210 | 109 | 93 | 12 | 6 |
| Sunny days | 27 | 9 | 6 | 2 | 5 | 2 | 2 | 0 | 3 | 5 | 18 | 22 |
| Rainy days | 0 | 0 | 1 | 17 | 25 | 28 | 29 | 31 | 27 | 22 | 1 | 0 |
| Snow days | 4 | 19 | 24 | 11 | 1 | 0 | 0 | 0 | 0 | 4 | 11 | 9 |
The largest precipitation sum in Decha is at