Swimming in South Korea in july 2025 Sea temperature by city in july
Do you want to go to the beach in South Korea in july 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 july in South Korea by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in South Korea in july 2025
Here, find the average sea temperature in South Korea in july in several coastal cities.
South in july
75°F
min: 70°F / max: 79°F
77°F
min: 70°F / max: 83°F
Namhae
75°F
min: 70°F / max: 81°F
Tongyeong
75°F
min: 70°F / max: 80°F
Ulsan
74°F
min: 69°F / max: 78°F
Yeosu
75°F
min: 70°F / max: 81°F
Northeast in july
North West in july
72°F
min: 69°F / max: 76°F
Ansan-si
73°F
min: 69°F / max: 77°F
Hwaseong-si
73°F
min: 69°F / max: 76°F
East in july
73°F
min: 69°F / max: 78°F
Gyeongju
73°F
min: 69°F / max: 78°F
Uljin
73°F
min: 68°F / max: 77°F
West in july
Gunsan
74°F
min: 69°F / max: 80°F
Where should you go swimming in South Korea in the month of july?
Swimming in South Korea in july is pleasant
In july in South Korea swimming conditions are generally the same everywhere.
As for 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, swimming is pleasant in july. The sea water is 75°F on average (min: 70°F/max: 79°F) so you can easily spend time in the water.
Where to go swimming in South Korea in july: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in july
Busan
| July | |||
| Average sea temperature | 75°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 77°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 8.1in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 45% | ||
| Our opinion | pleasant swimming |
More information on swimming in Busan in july
Jeju Island (Jejudo)
| July | |||
| Average sea temperature | 77°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 79°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 11.9in | ||
| Number of days of precipitation | 9 jour(s) (31%) | ||
| Cloud cover | 46% | ||
| Our opinion | pleasant swimming |
More information on swimming in Jeju Island (Jejudo) in july
Gangneung
| July | |||
| Average sea temperature | 73°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 67°F | ||
| Precipitation | 10.6in | ||
| Number of days of precipitation | 11 jour(s) (36%) | ||
| Cloud cover | 41% | ||
| Our opinion | pleasant swimming |
More information on swimming in Gangneung in july
Incheon
| July | |||
| Average sea temperature | 72°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 76°F | ||
| Average outside temperature | 79°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 17.3in | ||
| Number of days of precipitation | 13 jour(s) (41%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Incheon in july
Pohang
| July | |||
| Average sea temperature | 73°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 78°F | ||
| Average outside temperature | 77°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 10.9in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 42% | ||
| Our opinion | pleasant swimming |
More information on swimming in Pohang in july
List of coastal cities in South Korea
| Busan in july | pleasant swimming |
| Jeju Island (Jejudo) in july | pleasant swimming |
| Gangneung in july | pleasant swimming |
| Incheon in july | pleasant swimming |
| Pohang in july | pleasant swimming |
| Sokcho in july | pleasant swimming |
| Gyeongju in july | pleasant swimming |
| Namhae in july | pleasant swimming |
| Tongyeong in july | pleasant swimming |
| Uljin in july | pleasant swimming |
| Ulsan in july | pleasant swimming |
| Yeosu in july | pleasant swimming |
| Ansan-si in july | pleasant swimming |
| Gaigeturi in july | pleasant swimming |
| Goseong in july | pleasant swimming |
| Gunsan in july | pleasant swimming |
| Haenam in july | pleasant swimming |
| Hwaseong-si in july | pleasant swimming |
| Jangan in july | pleasant swimming |
| Moppo in july | pleasant swimming |
| Muan in july | pleasant swimming |
| Oepo in july | pleasant swimming |
| Seogwipo in july | pleasant swimming |