World Resorts South Korea Incheon Weather

Incheon Sea Temperature in January

Average sea water temperature in January:
+39.2°F
Minimum sea water temperature in January: 44.1°F
Maximum sea water temperature in January: 35.4°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023
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34
37
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46

The average sea water temperature in January of 2025 was 37.9°F. The highest and lowest sea temperatures during the month were 41.2°F and 35.4°F.

Monthly sea water temperature in Incheon, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
46.2
57.1
67.2
75.2
78.8
74.4
67.4
57.9
48.8
41.1
36.9
39.2

Which South Korea resorts have warmest sea in January?

Place name January 2025 January 2024
Jeju 59.4°F 60.7°F
Busan 55.5°F 56.1°F
Yongpyong 51.7°F 51.1°F
Seoul 38.5°F 39.7°F
Incheon 37.9°F 39.2°F

Best time for vacation in Incheon

Sunniest months:
October 19 days
May 19 days
March 18 days
Warmest months:
August 84.5 °F
July 82.0 °F
September 78.6 °F
Warmest sea temp:
August 78.8 °F
September 75.2 °F
July 74.4 °F
Coldest months:
January 33.9 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 11 days
August 9 days
June 5 days
Windiest months:
December 11.1 mph
November 10.3 mph
February 10.3 mph

Incheon on a weather map

Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
Yongpyong
+61°F
Incheon
+57°F
Muju
+64°F
Busan
+64°F
Seoul
+66°F
Jeju
+61°F
24 Hours Forecast
Incheon
Local time: 13:13
April 28, monday
1500
59°F
SE
19 mph
1800
59°F
S
17 mph
2100
55°F
SE
14 mph
April 29, tuesday
0000
52°F
SE
11 mph
0300
52°F
SE
7 mph
0600
50°F
E
5 mph
0900
54°F
NE
3 mph
1200
55°F
NE
10 mph
Units of measurement: °C / °F