Current sea water temperature:
+47.5°F
| Minimum sea water temperature in April: | 56.3°F |
| Maximum sea water temperature in April: | 41.5°F |
| Average sea water temperature in April: | 48.7°F |
| more information | |
14 days
forecast
forecast
| Seoul |
monthly
weather
weather
| Seoul |
Sea water temperature for the last 10 days:
| April 6 | 47.5°F | April 1 | 47.7°F |
| April 5 | 48.4°F | March 31 | 46.6°F |
| April 4 | 48.6°F | March 30 | 46.9°F |
| April 3 | 48.6°F | March 29 | 45.7°F |
| April 2 | 48.2°F | March 28 | 44.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Seoul?
Based on the data about daily sea water temperature for the last three years the warmest sea in Seoul was noticed in August, September and July.
Monthly Sea Temperatures in Seoul, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 82.4°F and 78.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 81.0°F and 72.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 82.2°F and 73.4°F.
current
weather
weather
| Seoul |
weather in
April
April
| Seoul |
Best time for vacation in Seoul
Seoul on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Seoul
Local time: 06:12
April 07, tuesday
0900

46°F
SE
11 mph
11 mph
1200

52°F
SE
13 mph
13 mph
1500

55°F
E
13 mph
13 mph
1800

54°F
SE
11 mph
11 mph
2100

50°F
E
9 mph
9 mph
April 08, wednesday
0000

46°F
E
6 mph
6 mph
0300

45°F
NE
3 mph
3 mph
0600

43°F
N
3 mph
3 mph


























