Current sea water temperature:
+70.5°F
| Minimum sea water temperature in June: | 74.8°F |
| Maximum sea water temperature in June: | 59.0°F |
| Average sea water temperature in June: | 67.6°F |
| more information | |
14 days
forecast
forecast
| Incheon |
monthly
weather
weather
| Incheon |
Sea water temperature for the last 10 days:
| June 26 | 70.5°F | June 21 | 71.4°F |
| June 25 | 72.9°F | June 20 | 71.8°F |
| June 24 | 71.8°F | June 19 | 73.2°F |
| June 23 | 72.0°F | June 18 | 72.0°F |
| June 22 | 71.2°F | June 17 | 72.1°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:
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.
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: 11:08
June 27, saturday
1200
79°F
SE
6 mph
6 mph
1500
79°F
E
11 mph
11 mph
1800
77°F
E
11 mph
11 mph
2100
73°F
E
7 mph
7 mph
June 28, sunday
0000
73°F
E
4 mph
4 mph
0300
72°F
NE
3 mph
3 mph
0600
72°F
N
5 mph
5 mph
0900
73°F
N
6 mph
6 mph
