Swimming in South Korea in november 2025 Sea temperature by city in november
Do you want to go to the beach in South Korea in november 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in november in South Korea by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in South Korea in november 2025
Here, find the average sea temperature in South Korea in november in several coastal cities.
South in november
68°F
min: 63°F / max: 72°F
66°F
min: 62°F / max: 71°F
Namhae
64°F
min: 59°F / max: 70°F
Tongyeong
66°F
min: 61°F / max: 72°F
Ulsan
67°F
min: 62°F / max: 72°F
Yeosu
65°F
min: 59°F / max: 70°F
Northeast in november
North West in november
57°F
min: 51°F / max: 64°F
Ansan-si
57°F
min: 51°F / max: 64°F
Hwaseong-si
57°F
min: 51°F / max: 64°F
East in november
66°F
min: 61°F / max: 72°F
Gyeongju
66°F
min: 61°F / max: 72°F
Uljin
62°F
min: 57°F / max: 66°F
West in november
Gunsan
59°F
min: 53°F / max: 64°F
Where should you go swimming in South Korea in the month of november?
Swimming in South Korea in november is cool (in the best case scenario)
In november in South Korea swimming conditions vary by city. Details below:
Swimming in november in Busan, Jeju Island (Jejudo), Pohang, Gyeongju, Namhae, Tongyeong, Ulsan, Yeosu, Gaigeturi, Goseong, Jangan, Oepo and Seogwipo is possible but the sea is generally cool. So though the sea temperature may sometimes reach 72°F, it can also go as low as 63°F. Note that the average is 68°F.
Swimming in november in Gangneung, Uljin, Haenam, Moppo and Muan is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 60°F (min: 57°F/max: 65°F).
Forget about swimming in Incheon, Sokcho, Ansan-si, Gunsan and Hwaseong-si in november! The water temperature is freezing, reaching as low as 51°F (and only 64°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in South Korea in november: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in november
Busan
| November | |||
| Average sea temperature | 68°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 72°F | ||
| Average outside temperature | 56°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 52°F | ||
| Precipitation | 1.7in | ||
| Number of days of precipitation | 3 jour(s) (9%) | ||
| Cloud cover | 28% | ||
| Our opinion | cool swimming |
More information on swimming in Busan in november
Jeju Island (Jejudo)
| November | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 62°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 56°F | ||
| Precipitation | 4.1in | ||
| Number of days of precipitation | 5 jour(s) (17%) | ||
| Cloud cover | 44% | ||
| Our opinion | cool swimming |
More information on swimming in Jeju Island (Jejudo) in november
Gangneung
| November | |||
| Average sea temperature | 60°F | ||
| Minimum sea temperature | 57°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 4 jour(s) (14%) | ||
| Cloud cover | 29% | ||
| Our opinion | cold swimming |
More information on swimming in Gangneung in november
Incheon
| November | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 64°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 3.4in | ||
| Number of days of precipitation | 4 jour(s) (14%) | ||
| Cloud cover | 36% | ||
| Our opinion | freezing swimming |
More information on swimming in Incheon in november
Pohang
| November | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 61°F | ||
| Maximum sea temperature | 72°F | ||
| Average outside temperature | 52°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 2.2in | ||
| Number of days of precipitation | 3 jour(s) (10%) | ||
| Cloud cover | 29% | ||
| Our opinion | cool swimming |
More information on swimming in Pohang in november
List of coastal cities in South Korea
| Busan in november | cool swimming |
| Jeju Island (Jejudo) in november | cool swimming |
| Gangneung in november | cold swimming |
| Incheon in november | freezing swimming |
| Pohang in november | cool swimming |
| Sokcho in november | freezing swimming |
| Gyeongju in november | cool swimming |
| Namhae in november | cool swimming |
| Tongyeong in november | cool swimming |
| Uljin in november | cold swimming |
| Ulsan in november | cool swimming |
| Yeosu in november | cool swimming |
| Ansan-si in november | freezing swimming |
| Gaigeturi in november | cool swimming |
| Goseong in november | cool swimming |
| Gunsan in november | freezing swimming |
| Haenam in november | cold swimming |
| Hwaseong-si in november | freezing swimming |
| Jangan in november | cool swimming |
| Moppo in november | cold swimming |
| Muan in november | cold swimming |
| Oepo in november | cool swimming |
| Seogwipo in november | cool swimming |