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

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

Sea temperature in South Korea in march 2025

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

South

Busan

on average:

56°F

min: 54°F / max: 58°F

Jeju Island (Jejudo)

on average:

57°F

min: 54°F / max: 59°F

Namhae

on average:

54°F

min: 51°F / max: 57°F

Tongyeong

on average:

55°F

min: 52°F / max: 58°F

Ulsan

on average:

54°F

min: 52°F / max: 58°F

Yeosu

on average:

54°F

min: 51°F / max: 57°F

Northeast

Gangneung

on average:

48°F

min: 43°F / max: 52°F

Sokcho

on average:

46°F

min: 40°F / max: 52°F

North West

Incheon

on average:

40°F

min: 36°F / max: 45°F

Ansan-si

on average:

40°F

min: 36°F / max: 45°F

Hwaseong-si

on average:

40°F

min: 35°F / max: 44°F

East

Pohang

on average:

53°F

min: 50°F / max: 56°F

Gyeongju

on average:

53°F

min: 50°F / max: 56°F

Uljin

on average:

49°F

min: 46°F / max: 54°F

West

Gunsan

on average:

42°F

min: 39°F / max: 46°F

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Sea temperature in february in South Korea

Sea temperature in april in South Korea

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

Swimming in South Korea in march is freezing

In march in South Korea swimming conditions are generally the same everywhere.

Forget about swimming in Busan, Jeju Island (Jejudo), Gangneung, Incheon, Pohang, Sokcho, Gyeongju, Namhae, Tongyeong, Uljin, Ulsan, Yeosu, Ansan-si, Gaigeturi, Goseong, Gunsan, Haenam, Hwaseong-si, Jangan, Moppo, Muan, Oepo and Seogwipo in march! The water temperature is freezing, reaching as low as 54°F (and only 58°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 march: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in march

Busan

	February	March	April
Average sea temperature	56°F	56°F	59°F
Minimum sea temperature	54°F	54°F	56°F
Maximum sea temperature	60°F	58°F	62°F
Average outside temperature	45°F	50°F	58°F
Maximum outside temperature	49°F	56°F	61°F
Minimum outside temperature	40°F	47°F	54°F
Precipitation	1.7in	3.3in	3.7in
Number of days of precipitation	2 jour(s) (8%)	4 jour(s) (13%)	5 jour(s) (16%)
Cloud cover	34%	34%	34%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Busan in march

Jeju Island (Jejudo)

	February	March	April
Average sea temperature	57°F	57°F	59°F
Minimum sea temperature	55°F	54°F	55°F
Maximum sea temperature	59°F	59°F	62°F
Average outside temperature	45°F	50°F	58°F
Maximum outside temperature	49°F	54°F	61°F
Minimum outside temperature	43°F	47°F	54°F
Precipitation	4.3in	4.8in	5.9in
Number of days of precipitation	5 jour(s) (18%)	5 jour(s) (18%)	5 jour(s) (18%)
Cloud cover	52%	40%	39%
Our opinion	freezing swimming	freezing swimming	freezing swimming

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

Gangneung

	February	March	April
Average sea temperature	48°F	48°F	54°F
Minimum sea temperature	44°F	43°F	49°F
Maximum sea temperature	52°F	52°F	58°F
Average outside temperature	34°F	43°F	52°F
Maximum outside temperature	40°F	49°F	59°F
Minimum outside temperature	29°F	36°F	45°F
Precipitation	2.1in	3.3in	3.9in
Number of days of precipitation	3 jour(s) (11%)	4 jour(s) (14%)	5 jour(s) (16%)
Cloud cover	30%	33%	31%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Gangneung in march

Incheon

	February	March	April
Average sea temperature	38°F	40°F	47°F
Minimum sea temperature	36°F	36°F	41°F
Maximum sea temperature	41°F	45°F	54°F
Average outside temperature	36°F	45°F	56°F
Maximum outside temperature	41°F	50°F	61°F
Minimum outside temperature	32°F	41°F	50°F
Precipitation	1.5in	2.3in	3.5in
Number of days of precipitation	2 jour(s) (6%)	3 jour(s) (9%)	4 jour(s) (13%)
Cloud cover	32%	30%	32%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Incheon in march

Pohang

	February	March	April
Average sea temperature	54°F	53°F	58°F
Minimum sea temperature	50°F	50°F	52°F
Maximum sea temperature	56°F	56°F	63°F
Average outside temperature	40°F	47°F	56°F
Maximum outside temperature	45°F	52°F	61°F
Minimum outside temperature	34°F	41°F	49°F
Precipitation	2.6in	3.9in	5.2in
Number of days of precipitation	3 jour(s) (11%)	4 jour(s) (14%)	5 jour(s) (18%)
Cloud cover	33%	36%	33%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Pohang in march

List of coastal cities in South Korea

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