World Resorts South Korea Incheon Weather

Incheon Sea Temperature in August

Average sea water temperature in August:
+79.2°F
Minimum sea water temperature in August: 86.0°F
Maximum sea water temperature in August: 72.5°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 80.2°F.

Monthly sea water temperature in Incheon, °F

Which South Korea resorts have warmest sea in August?

Place name August 2026 August 2025
Incheon 82.3°F 82.0°F
Jeju 82.0°F 83.6°F
Seoul 81.4°F 80.8°F
Busan 81.2°F 80.6°F
Yongpyong 78.9°F 78.7°F

Best time for vacation in Incheon

Sunniest months:
May 19 days
October 18 days
March 18 days
Warmest months:
August 84.2 °F
July 81.8 °F
September 78.6 °F
Warmest sea temp:
August 79.3 °F
September 75.4 °F
July 74.8 °F
Coldest months:
January 33.6 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 10 days
August 8 days
June 4 days
Windiest months:
December 11.1 mph
November 10.3 mph
January 10.3 mph

Incheon on a weather map

Current weather
04:55
Incheon
+75°F
S 4 mph
Feels like: +79°F
Precip.: 20%
Places in South Korea:
Name
°F
Yongpyong
+70°F
Incheon
+75°F
Muju
+73°F
Busan
+81°F
Seoul
+77°F
Jeju
+77°F
24 Hours Forecast
Incheon
Local time: 04:55
August 27, thursday
0600
75°F
S
4 mph
0900
77°F
S
5 mph
1200
84°F
S
2 mph
1500
86°F
E
6 mph
1800
84°F
SE
7 mph
2100
81°F
SE
3 mph
August 28, friday
0000
79°F
S
2 mph
0300
79°F
SW
2 mph
Units of measurement: °C / °F