Average sea water temperature in August:
+79.0°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 82.0°F. The highest and lowest sea temperatures during the month were 83.8°F and 80.4°F.
Monthly sea water temperature in Incheon, °F
Which South Korea resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Jeju | 83.6°F | 84.0°F |
| Incheon | 82.0°F | 82.8°F |
| Seoul | 80.8°F | 81.3°F |
| Busan | 80.6°F | 82.2°F |
| Yongpyong | 78.7°F | 79.9°F |
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 13:25
March 17, tuesday
1500

48°F
E
7 mph
7 mph
1800

46°F
E
6 mph
6 mph
2100

45°F
E
4 mph
4 mph
March 18, wednesday
0000

45°F
SE
2 mph
2 mph
0300

45°F
NE
4 mph
4 mph
0600

43°F
E
6 mph
6 mph
0900

39°F
SE
7 mph
7 mph
1200

41°F
SE
7 mph
7 mph

























