Swimming in South Korea in january 2025 Sea temperature by city in january

Do you want to go to the beach in South Korea in january 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 january in South Korea by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in South Korea in january 2025

Here, find the average sea temperature in South Korea in january in several coastal cities.

South

Busan

on average:

59°F

min: 55°F / max: 63°F

Jeju Island (Jejudo)

on average:

59°F

min: 56°F / max: 62°F

Namhae

on average:

55°F

min: 51°F / max: 60°F

Tongyeong

on average:

58°F

min: 53°F / max: 62°F

Ulsan

on average:

58°F

min: 53°F / max: 61°F

Yeosu

on average:

56°F

min: 51°F / max: 60°F

Northeast

Gangneung

on average:

51°F

min: 47°F / max: 56°F

Sokcho

on average:

50°F

min: 45°F / max: 55°F

North West

Incheon

on average:

41°F

min: 36°F / max: 47°F

Ansan-si

on average:

41°F

min: 36°F / max: 47°F

Hwaseong-si

on average:

41°F

min: 36°F / max: 47°F

East

Pohang

on average:

56°F

min: 53°F / max: 60°F

Gyeongju

on average:

56°F

min: 52°F / max: 60°F

Uljin

on average:

54°F

min: 50°F / max: 57°F

West

Gunsan

on average:

45°F

min: 40°F / max: 51°F

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Sea temperature in december in South Korea

Sea temperature in february in South Korea

Where should you go swimming in South Korea in the month of january?

Swimming in South Korea in january is cold (in the best case scenario)

In january in South Korea swimming conditions vary by city. Details below:

Swimming in january in Gaigeturi is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 61°F (min: 58°F/max: 65°F).

Forget about swimming in Busan, Jeju Island (Jejudo), Gangneung, Incheon, Pohang, Sokcho, Gyeongju, Namhae, Tongyeong, Uljin, Ulsan, Yeosu, Ansan-si, Goseong, Gunsan, Haenam, Hwaseong-si, Jangan, Moppo, Muan, Oepo and Seogwipo in january! The water temperature is freezing, reaching as low as 55°F (and only 63°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 january: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in january

Busan

	December	January	February
Average sea temperature	63°F	59°F	56°F
Minimum sea temperature	58°F	55°F	54°F
Maximum sea temperature	67°F	63°F	60°F
Average outside temperature	45°F	41°F	45°F
Maximum outside temperature	49°F	45°F	49°F
Minimum outside temperature	41°F	36°F	40°F
Precipitation	1.4in	1.1in	1.7in
Number of days of precipitation	2 jour(s) (6%)	2 jour(s) (6%)	2 jour(s) (8%)
Cloud cover	25%	26%	34%
Our opinion	cold swimming	freezing swimming	freezing swimming

More information on swimming in Busan in january

Jeju Island (Jejudo)

	December	January	February
Average sea temperature	61°F	59°F	57°F
Minimum sea temperature	58°F	56°F	55°F
Maximum sea temperature	65°F	62°F	59°F
Average outside temperature	49°F	43°F	45°F
Maximum outside temperature	50°F	47°F	49°F
Minimum outside temperature	45°F	41°F	43°F
Precipitation	3.7in	3.9in	4.3in
Number of days of precipitation	5 jour(s) (15%)	5 jour(s) (16%)	5 jour(s) (18%)
Cloud cover	57%	57%	52%
Our opinion	cold swimming	freezing swimming	freezing swimming

More information on swimming in Jeju Island (Jejudo) in january

Gangneung

	December	January	February
Average sea temperature	53°F	51°F	48°F
Minimum sea temperature	47°F	47°F	44°F
Maximum sea temperature	60°F	56°F	52°F
Average outside temperature	34°F	29°F	34°F
Maximum outside temperature	38°F	34°F	40°F
Minimum outside temperature	29°F	25°F	29°F
Precipitation	1.9in	1.8in	2.1in
Number of days of precipitation	2 jour(s) (6%)	3 jour(s) (8%)	3 jour(s) (11%)
Cloud cover	23%	25%	30%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Gangneung in january

Incheon

	December	January	February
Average sea temperature	48°F	41°F	38°F
Minimum sea temperature	42°F	36°F	36°F
Maximum sea temperature	55°F	47°F	41°F
Average outside temperature	36°F	31°F	36°F
Maximum outside temperature	40°F	36°F	41°F
Minimum outside temperature	32°F	27°F	32°F
Precipitation	1.7in	1.1in	1.5in
Number of days of precipitation	2 jour(s) (7%)	1 jour(s) (3%)	2 jour(s) (6%)
Cloud cover	36%	35%	32%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Incheon in january

Pohang

	December	January	February
Average sea temperature	60°F	56°F	54°F
Minimum sea temperature	54°F	53°F	50°F
Maximum sea temperature	66°F	60°F	56°F
Average outside temperature	40°F	34°F	40°F
Maximum outside temperature	43°F	40°F	45°F
Minimum outside temperature	34°F	29°F	34°F
Precipitation	1.8in	1.7in	2.6in
Number of days of precipitation	2 jour(s) (7%)	2 jour(s) (7%)	3 jour(s) (11%)
Cloud cover	25%	25%	33%
Our opinion	cold swimming	freezing swimming	freezing swimming

More information on swimming in Pohang in january

List of coastal cities in South Korea

Busan in january	freezing swimming
Jeju Island (Jejudo) in january	freezing swimming
Gangneung in january	freezing swimming
Incheon in january	freezing swimming
Pohang in january	freezing swimming
Sokcho in january	freezing swimming
Gyeongju in january	freezing swimming
Namhae in january	freezing swimming
Tongyeong in january	freezing swimming
Uljin in january	freezing swimming
Ulsan in january	freezing swimming
Yeosu in january	freezing swimming
Ansan-si in january	freezing swimming
Gaigeturi in january	cold swimming
Goseong in january	freezing swimming
Gunsan in january	freezing swimming
Haenam in january	freezing swimming
Hwaseong-si in january	freezing swimming
Jangan in january	freezing swimming
Moppo in january	freezing swimming
Muan in january	freezing swimming
Oepo in january	freezing swimming
Seogwipo in january	freezing swimming