Current sea water temperature:
+85.5°F
| Minimum sea water temperature in August: | 86.0°F |
| Maximum sea water temperature in August: | 72.5°F |
| Average sea water temperature in August: | 79.0°F |
| more information | |
14 days
forecast
forecast
| Incheon |
monthly
weather
weather
| Incheon |
Sea water temperature for the last 10 days:
| August 6 | 85.5°F | August 1 | 81.1°F |
| August 5 | 85.1°F | July 31 | 80.2°F |
| August 4 | 83.5°F | July 30 | 79.9°F |
| August 3 | 82.2°F | July 29 | 77.9°F |
| August 2 | 81.9°F | July 28 | 79.0°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 77.4°F. The highest and lowest sea temperatures during the month were 80.8°F and 73.2°F.
current
weather
weather
| Incheon |
weather in
August
August
| Incheon |
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 00:29
August 07, friday
0300

82°F
SW
2 mph
2 mph
0600

82°F
NW
3 mph
3 mph
0900

84°F
NW
2 mph
2 mph
1200

88°F
E
5 mph
5 mph
1500

86°F
E
11 mph
11 mph
1800

88°F
E
8 mph
8 mph
2100

84°F
SE
5 mph
5 mph
August 08, saturday
0000

86°F
S
6 mph
6 mph



























