Current sea water temperature:
+50.7°F
| Minimum sea water temperature in December: | 54.0°F |
| Maximum sea water temperature in December: | 41.5°F |
| Average sea water temperature in December: | 46.8°F |
| more information | |
14 days
forecast
forecast
| Seoul |
monthly
weather
weather
| Seoul |
Sea water temperature for the last 10 days:
| December 4 | 50.7°F | November 29 | 52.7°F |
| December 3 | 51.3°F | November 28 | 53.1°F |
| December 2 | 51.4°F | November 27 | 53.4°F |
| December 1 | 51.6°F | November 26 | 53.4°F |
| November 30 | 52.3°F | November 25 | 54.0°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
December
December
| Seoul |
Best time for vacation in Seoul
Seoul on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Seoul
Local time: 16:14
December 05, friday
1800
30°F
SW
1 mph
1 mph
2100
28°F
W
2 mph
2 mph
December 06, saturday
0000
28°F
NW
3 mph
3 mph
0300
28°F
NW
3 mph
3 mph
0600
30°F
NW
4 mph
4 mph
0900
30°F
NW
4 mph
4 mph
1200
34°F
NW
4 mph
4 mph
1500
34°F
NW
3 mph
3 mph
