Current sea water temperature:
+66.4°F
| Minimum sea water temperature in October: | 76.6°F |
| Maximum sea water temperature in October: | 59.2°F |
| Average sea water temperature in October: | 67.4°F |
| more information | |
14 days
forecast
forecast
| Incheon |
monthly
weather
weather
| Incheon |
Sea water temperature for the last 10 days:
| October 26 | 66.4°F | October 21 | 68.2°F |
| October 25 | 66.6°F | October 20 | 68.2°F |
| October 24 | 67.1°F | October 19 | 68.5°F |
| October 23 | 67.5°F | October 18 | 69.4°F |
| October 22 | 67.6°F | October 17 | 69.4°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 82.1°F. The highest and lowest sea temperatures during the month were 85.6°F and 80.2°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 76.9°F. The highest and lowest sea temperatures during the month were 80.8°F and 73.4°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
October
October
| Incheon |
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 02:01
October 27, tuesday
0300

55°F
SE
13 mph
13 mph
0600

52°F
SE
12 mph
12 mph
0900

54°F
SE
11 mph
11 mph
1200

59°F
SE
17 mph
17 mph
1500

55°F
SE
19 mph
19 mph
1800

50°F
SE
16 mph
16 mph
2100

46°F
SE
13 mph
13 mph
October 28, wednesday
0000

43°F
SE
12 mph
12 mph



























