Average annual temperature is 17.1 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 181 days
Number of rainy days: 182 days
Number of snow days: 2 days
Look at detailed online map of Ch’eng-wan
* Weather data for Ch’eng-wan 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) | 16.1 | 14.6 | 23.0 | 28.1 | 30.9 | 33.8 | 35.8 | 34.1 | 31.4 | 25.4 | 25.9 | 17.9 |
| Average daytime temperature (°C) | 8.0 | 9.2 | 15.4 | 20.5 | 24.6 | 28.3 | 31.1 | 30.7 | 27.7 | 22.6 | 16.1 | 8.4 |
| Average temperature (°C) | 4.3 | 6.2 | 11.7 | 16.7 | 21.4 | 25.4 | 28.9 | 27.8 | 24.9 | 19.3 | 12.4 | 4.9 |
| Average night temperature (°C) | 0.5 | 3.3 | 8.6 | 13.2 | 18.4 | 22.8 | 27.0 | 25.3 | 22.6 | 16.4 | 8.9 | 1.3 |
| Absolute minimum temperature (°C) | -8.6 | -2.2 | 3.5 | 7.7 | 11.4 | 18.4 | 24.9 | 20.1 | 19.1 | 10.2 | 1.1 | -6.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 5.7 | 6.2 | 8.3 | 7.1 | 6.9 | 7.5 | 9.7 | 7.3 | 7.9 | 7.8 | 6.5 |
| Precipitation (mm) | 37 | 56 | 53 | 62 | 167 | 220 | 260 | 150 | 139 | 14 | 42 | 37 |
| Sunny days | 21 | 14 | 19 | 17 | 12 | 8 | 4 | 9 | 8 | 23 | 23 | 23 |
| Rainy days | 9 | 14 | 12 | 13 | 19 | 22 | 27 | 22 | 22 | 8 | 7 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Ch’eng-wan during the most sunny months:
The largest precipitation sum in Ch’eng-wan is at