Current Sea Water Temperature:
+53.6°F
| Maximum Sea Water Temperature in April: | 57.0°F |
| Minimum Sea Water Temperature in April: | 40.6°F |
| Average water temperature in April: | 48.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 18 | 53.6°F | April 13 | 50.2°F |
| April 17 | 54.0°F | April 12 | 49.6°F |
| April 16 | 53.4°F | April 11 | 49.6°F |
| April 15 | 52.4°F | April 10 | 49.0°F |
| April 14 | 51.2°F | April 09 | 49.0°F |
When is the Warmest Sea for Seoul?
According to our data for the last three years for Seoul the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Seoul was 84.2°F. The maximum and minimum values were 81.6°F and 86.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Seoul was 79.6°F. The maximum and minimum values were 74.6°F and 84.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Seoul was 81.2°F. The maximum and minimum values were 76.0°F and 85.8°F respectively.
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Seoul
Local time: 16:04
19 apr, sunday
| 1800 |  |
80°F | E 11 mph |
| 2100 |  |
72°F | NE 4 mph |
20 apr, monday
| 0000 | |
66°F | E 6 mph |
| 0300 |  |
62°F | NE 4 mph |
| 0600 |  |
60°F | E 7 mph |
| 0900 | |
62°F | NE 7 mph |
| 1200 | |
60°F | E 11 mph |
| 1500 | |
60°F | E 14 mph |