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

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

Sea temperature in South Korea in june 2025

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

South in june

on average:

69°F

min: 64°F / max: 75°F

on average:

69°F

min: 63°F / max: 77°F

Namhae

on average:

69°F

min: 63°F / max: 75°F

Tongyeong

on average:

69°F

min: 63°F / max: 75°F

Ulsan

on average:

69°F

min: 63°F / max: 75°F

Yeosu

on average:

69°F

min: 63°F / max: 75°F

Northeast in june

on average:

67°F

min: 61°F / max: 74°F

on average:

67°F

min: 60°F / max: 74°F

North West in june

on average:

66°F

min: 60°F / max: 72°F

Ansan-si

on average:

66°F

min: 60°F / max: 72°F

Hwaseong-si

on average:

66°F

min: 59°F / max: 73°F

East in june

on average:

68°F

min: 63°F / max: 74°F

Gyeongju

on average:

68°F

min: 63°F / max: 74°F

Uljin

on average:

68°F

min: 61°F / max: 74°F

West in june

Gunsan

on average:

68°F

min: 60°F / max: 75°F

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

Swimming in South Korea in june is pleasant (in the best case scenario)

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

As for Gaigeturi, swimming is pleasant in june. The sea water is 71°F on average (min: 63°F/max: 79°F) so you can easily spend time in the water.

Swimming in june 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 is possible but the sea is generally cool. So though the sea temperature may sometimes reach 75°F, it can also go as low as 64°F. Note that the average is 69°F.

Where to go swimming in South Korea in june: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in june

Busan

June
Average sea temperature 69°F
Minimum sea temperature 64°F
Maximum sea temperature 75°F
Average outside temperature 72°F
Maximum outside temperature 76°F
Minimum outside temperature 68°F
Precipitation 5.3in
Number of days of precipitation 5 jour(s)
(17%)
Cloud cover 37%
Our opinion cool swimming

More information on swimming in Busan in june

Jeju Island (Jejudo)

June
Average sea temperature 69°F
Minimum sea temperature 63°F
Maximum sea temperature 77°F
Average outside temperature 72°F
Maximum outside temperature 74°F
Minimum outside temperature 68°F
Precipitation 8.6in
Number of days of precipitation 8 jour(s)
(26%)
Cloud cover 45%
Our opinion cool swimming

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

Gangneung

June
Average sea temperature 67°F
Minimum sea temperature 61°F
Maximum sea temperature 74°F
Average outside temperature 68°F
Maximum outside temperature 76°F
Minimum outside temperature 61°F
Precipitation 5.8in
Number of days of precipitation 6 jour(s)
(20%)
Cloud cover 31%
Our opinion cool swimming

More information on swimming in Gangneung in june

Incheon

June
Average sea temperature 66°F
Minimum sea temperature 60°F
Maximum sea temperature 72°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 5.5in
Number of days of precipitation 6 jour(s)
(21%)
Cloud cover 32%
Our opinion cool swimming

More information on swimming in Incheon in june

Pohang

June
Average sea temperature 68°F
Minimum sea temperature 63°F
Maximum sea temperature 74°F
Average outside temperature 72°F
Maximum outside temperature 76°F
Minimum outside temperature 67°F
Precipitation 4.6in
Number of days of precipitation 5 jour(s)
(15%)
Cloud cover 34%
Our opinion cool swimming

More information on swimming in Pohang in june

List of coastal cities in South Korea

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