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In January warmest sea in South Korea is usually observed in the following locations: Jeju, Busan, Yongpyong.
Table below shows the average sea water temperature for marine resorts of South Korea in January for the last three years.
| Place name | January 2025 | January 2024 | January 2023 |
|---|---|---|---|
| Jeju | 59.4°F | 60.7°F | 60.4°F |
| Busan | 55.5°F | 56.1°F | 55.9°F |
| Yongpyong | 51.7°F | 51.1°F | 52.9°F |
| Seoul | 38.5°F | 39.7°F | 39.3°F |
| Incheon | 37.9°F | 39.2°F | 38.3°F |
Charts below show average sea water temperature for South Korea resorts with the warmest sea in January.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
62.4
66.7
72.2
77.1
81
76.3
68.3
61.9
58.7
56.8
57.2
59.3
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
60.1
65
71
76.5
79.7
74.2
67.9
61.4
57.4
55.3
55
56.6
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
56.2
61.2
67.4
72.5
76.9
72.5
65.2
57.7
52.9
49.2
48.2
52.1
You can also check other months of the year to see sea temperature of South Korea resorts at that time.
Places in South Korea:
Name
°F
