Current sea water temperature:
+78.3°F
| Minimum sea water temperature in July: | 83.3°F |
| Maximum sea water temperature in July: | 66.2°F |
| Average sea water temperature in July: | 74.7°F |
| more information | |
14 days
forecast
forecast
| Incheon |
monthly
weather
weather
| Incheon |
Sea water temperature for the last 10 days:
| July 17 | 78.3°F | July 12 | 77.0°F |
| July 16 | 77.9°F | July 11 | 75.2°F |
| July 15 | 78.8°F | July 10 | 75.7°F |
| July 14 | 80.8°F | July 9 | 75.2°F |
| July 13 | 79.9°F | July 8 | 76.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Incheon?
Based on the data about daily sea water temperature for the last three years the warmest sea in Incheon was noticed in August, September and July.
Monthly Sea Temperatures in Incheon, °F
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 82.4°F and 73.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.6°F. The highest and lowest sea temperatures during the month were 80.8°F and 73.2°F.
current
weather
weather
| Incheon |
weather in
July
July
| Incheon |
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 22:19
July 18, saturday
0000
73°F
NW
11 mph
11 mph
0300
75°F
N
17 mph
17 mph
0600
73°F
E
4 mph
4 mph
0900
73°F
W
9 mph
9 mph
1200
73°F
W
8 mph
8 mph
1500
72°F
W
9 mph
9 mph
1800
72°F
W
7 mph
7 mph
2100
72°F
W
6 mph
6 mph
