Current Sea Water Temperature:
+66.0°F
| Maximum Sea Water Temperature in May: | 67.6°F |
| Minimum Sea Water Temperature in May: | 48.2°F |
| Average water temperature in May: | 58.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 29 | 66.0°F | May 24 | 64.2°F |
| May 28 | 66.6°F | May 23 | 63.8°F |
| May 27 | 65.2°F | May 22 | 63.2°F |
| May 26 | 65.6°F | May 21 | 60.4°F |
| May 25 | 65.2°F | May 20 | 62.2°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: 14:49
30 may, saturday
| 1500 |  |
86°F | NE 11 mph |
| 1800 | |
82°F | NE 9 mph |
| 2100 |  |
74°F | NE 4 mph |
31 may, sunday
| 0000 | |
70°F | N 3 mph |
| 0300 | |
68°F | NW 2 mph |
| 0600 | |
66°F | W 2 mph |
| 0900 | |
80°F | NW 2 mph |
| 1200 | |
90°F | NE 8 mph |