Current sea water temperature:
+56.8°F
| Minimum sea water temperature in April: | 57.6°F |
| Maximum sea water temperature in April: | 41.5°F |
| Average sea water temperature in April: | 48.9°F |
| more information | |
14 days
forecast
forecast
| Seoul |
monthly
weather
weather
| Seoul |
Sea water temperature for the last 10 days:
| April 27 | 56.8°F | April 22 | 54.7°F |
| April 26 | 57.6°F | April 21 | 53.8°F |
| April 25 | 56.5°F | April 20 | 53.2°F |
| April 24 | 54.9°F | April 19 | 52.9°F |
| April 23 | 52.7°F | April 18 | 53.2°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
May
May
| Seoul |
Best time for vacation in Seoul
Seoul on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Seoul
Local time: 21:45
April 28, tuesday
0000
57°F
NE
11 mph
11 mph
0300
55°F
NE
8 mph
8 mph
0600
55°F
NE
8 mph
8 mph
0900
55°F
NE
11 mph
11 mph
1200
57°F
E
14 mph
14 mph
1500
61°F
E
15 mph
15 mph
1800
59°F
E
14 mph
14 mph
2100
57°F
SE
9 mph
9 mph
