Current sea water temperature:
+59.2°F
| Minimum sea water temperature in February: | 61.5°F |
| Maximum sea water temperature in February: | 53.6°F |
| Average sea water temperature in February: | 57.2°F |
| more information | |
14 days
forecast
forecast
| Jeju |
monthly
weather
weather
| Jeju |
Sea water temperature for the last 10 days:
| February 4 | 59.2°F | January 30 | 59.0°F |
| February 3 | 59.4°F | January 29 | 59.2°F |
| February 2 | 59.2°F | January 28 | 59.4°F |
| February 1 | 58.8°F | January 27 | 59.4°F |
| January 31 | 59.2°F | January 26 | 59.9°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
February
February
| Jeju |
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 00:10
February 05, thursday
0300
45°F
N
6 mph
6 mph
0600
48°F
NE
7 mph
7 mph
0900
52°F
NE
10 mph
10 mph
1200
55°F
E
12 mph
12 mph
1500
54°F
SE
12 mph
12 mph
1800
50°F
SE
9 mph
9 mph
2100
48°F
S
11 mph
11 mph
February 06, friday
0000
45°F
S
14 mph
14 mph
