Monthly Jeju water temperature chart
The bar chart below shows the average monthly sea temperatures at Jeju over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 14.7 | 13.6 | 13.3 | 14.6 | 16.7 | 20.6 | 24.4 | 26.1 | 24.6 | 21.8 | 18.9 | 15.9 |
| °F | 58.5 | 56.5 | 55.9 | 58.3 | 62.1 | 69.1 | 75.9 | 79 | 76.3 | 71.2 | 66 | 60.6 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 13 | 12.3 | 12.1 | 12.6 | 13.9 | 16.8 | 21.1 | 23.2 | 22.7 | 19.5 | 16.4 | 14 |
| Max °C | 16.4 | 15 | 14.6 | 16.7 | 19.5 | 24.4 | 27.8 | 29.1 | 26.6 | 24.2 | 21.4 | 17.9 |
| Min °F | 56.8 | 55.2 | 54.7 | 56.3 | 59.3 | 65.3 | 72.6 | 76.1 | 74.4 | 68.9 | 63.5 | 58.7 |
| Max °F | 60.2 | 57.9 | 57.2 | 60.4 | 64.9 | 72.9 | 79.3 | 82 | 78.3 | 73.6 | 68.5 | 62.6 |