Average annual temperature is 10.0 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 226 days
Number of rainy days: 118 days
Number of snow days: 21 days
Look at detailed online map of Chengmenwan
* Weather data for Chengmenwan 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) | 11.7 | 10.1 | 19.6 | 27.2 | 29.7 | 31.5 | 35.3 | 33.2 | 31.8 | 19.2 | 19.5 | 12.7 |
| Average daytime temperature (°C) | 0.2 | 3.4 | 13.2 | 13.4 | 20.2 | 26.3 | 28.3 | 27.7 | 22.4 | 15.2 | 8.4 | 2.0 |
| Average temperature (°C) | -4.7 | -1.3 | 7.5 | 8.8 | 15.0 | 21.0 | 22.6 | 22.1 | 17.3 | 10.6 | 2.9 | -2.7 |
| Average night temperature (°C) | -10.3 | -6.9 | 1.1 | 3.7 | 10.0 | 15.2 | 17.1 | 16.7 | 12.8 | 6.6 | -2.3 | -7.4 |
| Absolute minimum temperature (°C) | -20.0 | -18.4 | -7.1 | -5.8 | 1.8 | 10.2 | 12.0 | 9.7 | 8.8 | 2.6 | -9.1 | -17.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.8 | 7.0 | 9.2 | 7.9 | 7.4 | 10.0 | 10.3 | 9.8 | 8.1 | 7.6 | 8.0 | 7.6 |
| Precipitation (mm) | 1 | 22 | 6 | 40 | 45 | 24 | 59 | 24 | 58 | 51 | 2 | 4 |
| Sunny days | 29 | 18 | 23 | 20 | 12 | 18 | 13 | 18 | 10 | 15 | 25 | 25 |
| Rainy days | 1 | 2 | 5 | 8 | 18 | 12 | 18 | 13 | 20 | 16 | 3 | 2 |
| Snow days | 1 | 8 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Chengmenwan is at