Average annual temperature is 17.7 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 88 days
Number of rainy days: 277 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) | 22.4 | 22.9 | 27.1 | 27.9 | 31.0 | 30.3 | 30.8 | 30.7 | 29.1 | 30.0 | 27.2 | 23.6 |
| Average daytime temperature (°C) | 13.0 | 12.8 | 18.0 | 22.5 | 25.3 | 27.5 | 29.4 | 28.0 | 27.2 | 23.3 | 18.8 | 13.8 |
| Average temperature (°C) | 8.1 | 9.3 | 14.0 | 18.4 | 21.6 | 23.9 | 25.6 | 24.3 | 23.5 | 19.1 | 14.8 | 9.6 |
| Average night temperature (°C) | 3.6 | 5.8 | 10.1 | 14.6 | 18.3 | 21.0 | 22.4 | 21.5 | 20.4 | 15.5 | 11.2 | 5.6 |
| Absolute minimum temperature (°C) | -1.9 | 0.7 | 5.7 | 8.1 | 13.2 | 18.3 | 20.4 | 16.6 | 17.4 | 11.0 | 4.4 | -2.9 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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) | 6.1 | 3.0 | 4.0 | 6.6 | 7.7 | 8.3 | 10.2 | 9.1 | 9.3 | 7.4 | 5.3 | 5.7 |
| Precipitation (mm) | 12 | 78 | 93 | 245 | 166 | 256 | 152 | 293 | 88 | 46 | 78 | 56 |
| Sunny days | 22 | 5 | 6 | 5 | 2 | 1 | 1 | 2 | 4 | 14 | 12 | 14 |
| Rainy days | 9 | 23 | 25 | 25 | 29 | 29 | 30 | 29 | 26 | 17 | 18 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Decha during the most sunny months:
The largest precipitation sum in Decha is at