Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 200 days
Number of rainy days: 159 days
Number of snow days: 6 days
Look at detailed online map of Chusan
* Weather data for Chusan South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.3 | 12.7 | 23.4 | 25.6 | 33.2 | 33.8 | 34.1 | 35.2 | 29.8 | 22.3 | 24.0 | 16.0 |
| Average daytime temperature (°C) | 3.5 | 7.9 | 16.7 | 18.9 | 24.2 | 28.5 | 29.7 | 30.8 | 26.5 | 19.9 | 11.5 | 5.5 |
| Average temperature (°C) | -1.2 | 2.1 | 9.6 | 12.8 | 18.6 | 23.0 | 25.5 | 26.4 | 22.2 | 13.9 | 6.3 | 1.0 |
| Average night temperature (°C) | -5.2 | -2.4 | 3.0 | 7.0 | 13.3 | 18.5 | 22.2 | 23.0 | 18.6 | 8.8 | 1.4 | -2.6 |
| Absolute minimum temperature (°C) | -16.0 | -6.2 | -3.6 | 1.0 | 3.9 | 14.5 | 18.3 | 18.4 | 13.6 | 3.6 | -7.0 | -12.6 |
| 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 | 10.8 | 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) | 7.5 | 7.9 | 9.2 | 8.5 | 8.8 | 9.9 | 7.8 | 9.4 | 7.7 | 8.9 | 7.8 | 6.5 |
| Precipitation (mm) | 27 | 11 | 37 | 69 | 135 | 234 | 407 | 250 | 221 | 13 | 46 | 85 |
| Sunny days | 23 | 21 | 24 | 15 | 18 | 9 | 5 | 7 | 13 | 24 | 18 | 23 |
| Rainy days | 5 | 6 | 7 | 15 | 13 | 21 | 26 | 24 | 17 | 7 | 12 | 6 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Chusan is at