Best time to swim in South Korea Sea temperature by month
Do you want to go to the seaside in South Korea? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in South Korea.
Swimming in South Korea by month
Discover swimming conditions in detail in South Korea by month below. Click on the links for each month to see details about the sea temperature in the cities of: Busan, Jeju Island (Jejudo), Gangneung, Incheon and Pohang.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 41°F to 61°F | cold swimming* |
| February | 38°F to 59°F | freezing swimming |
| March | 40°F to 58°F | freezing swimming |
| April | 47°F to 60°F | cold swimming* |
| May | 56°F to 64°F | cool swimming* |
| June | 66°F to 71°F | pleasant swimming* |
| July | 72°F to 78°F | pleasant swimming |
| August | 74°F to 80°F | ideal swimming* |
| September | 71°F to 78°F | pleasant swimming |
| October | 66°F to 75°F | pleasant swimming* |
| November | 57°F to 70°F | cool swimming* |
| December | 48°F to 65°F | cool swimming* |
* in at least part of the area.
Where and when should you swim in South Korea?
Best time to swim in Busan
The best months for swimming in Busan are july, august, september et october.
Best time to swim in Jeju Island (Jejudo)
The best months for swimming in Jeju Island (Jejudo) are july, august, september et october.
Best time to swim in Gangneung
The best months for swimming in Gangneung are july, august et september.
Best time to swim in Incheon
The best months for swimming in Incheon are july, august et september.
Best time to swim in Pohang
The best months for swimming in Pohang are july, august, september et october.
Other cities and places in South Korea:
Water temperatures in South Korea over the entire year
On this chart, we show you the variation of the average sea water temperature in South Korea for the cities of: Busan, Jeju Island (Jejudo), Gangneung, Incheon and Pohang.