Average annual temperature is 13.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 172 days
Number of rainy days: 181 days
Number of snow days: 12 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) | 15.9 | 13.4 | 24.4 | 26.7 | 31.7 | 35.1 | 32.4 | 34.5 | 30.5 | 23.0 | 23.5 | 18.4 |
| Average daytime temperature (°C) | 5.0 | 8.7 | 17.3 | 19.2 | 23.8 | 28.5 | 28.6 | 30.5 | 26.9 | 20.0 | 12.4 | 7.1 |
| Average temperature (°C) | 0.0 | 2.4 | 9.5 | 13.0 | 18.1 | 22.6 | 25.1 | 26.1 | 22.3 | 14.1 | 7.1 | 2.8 |
| Average night temperature (°C) | -4.4 | -2.3 | 3.2 | 7.1 | 13.0 | 18.0 | 22.0 | 22.4 | 18.6 | 9.0 | 2.5 | -0.8 |
| Absolute minimum temperature (°C) | -13.5 | -6.4 | -5.4 | 0.0 | 4.6 | 13.2 | 18.1 | 17.8 | 13.1 | 4.3 | -5.2 | -10.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.3 | 8.9 | 7.6 | 7.9 | 9.2 | 6.7 | 9.6 | 7.8 | 8.6 | 7.4 | 5.8 |
| Precipitation (mm) | 52 | 20 | 54 | 84 | 153 | 204 | 532 | 298 | 175 | 18 | 96 | 97 |
| Sunny days | 20 | 19 | 23 | 14 | 17 | 15 | 2 | 5 | 7 | 19 | 17 | 14 |
| Rainy days | 6 | 9 | 8 | 16 | 14 | 15 | 29 | 26 | 23 | 12 | 12 | 11 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Chusan is at