Current sea water temperature:
+57.7°F
| Minimum sea water temperature in March: | 60.3°F |
| Maximum sea water temperature in March: | 53.1°F |
| Average sea water temperature in March: | 56.9°F |
| more information | |
14 days
forecast
forecast
| Jeju |
monthly
weather
weather
| Jeju |
Sea water temperature for the last 10 days:
| March 16 | 57.7°F | March 11 | 59.2°F |
| March 15 | 59.4°F | March 10 | 58.6°F |
| March 14 | 58.3°F | March 9 | 58.6°F |
| March 13 | 58.5°F | March 8 | 58.8°F |
| March 12 | 58.3°F | March 7 | 58.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Jeju?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jeju was noticed in August, September and July.
Monthly Sea Temperatures in Jeju, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 80.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 85.6°F and 77.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 83.5°F and 73.6°F.
current
weather
weather
| Jeju |
weather in
March
March
| Jeju |
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 13:28
March 17, tuesday
1500
55°F
S
6 mph
6 mph
1800
54°F
S
3 mph
3 mph
2100
54°F
NW
3 mph
3 mph
March 18, wednesday
0000
54°F
N
2 mph
2 mph
0300
52°F
NW
1 mph
1 mph
0600
54°F
N
3 mph
3 mph
0900
54°F
N
4 mph
4 mph
1200
55°F
E
11 mph
11 mph
