Average sea water temperature in July:
+74.7°F
| Minimum sea water temperature in July: | 83.3°F |
| Maximum sea water temperature in July: | 66.2°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 83.3°F and 74.5°F.
Monthly sea water temperature in Incheon, °F
Which South Korea resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Jeju | 80.2°F | 78.1°F |
| Incheon | 78.3°F | 76.0°F |
| Seoul | 78.0°F | 75.7°F |
| Busan | 76.8°F | 73.8°F |
| Yongpyong | 76.0°F | 74.1°F |
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 14:35
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


























