27.06
sat
sat
Day
73°F
S 2 mph
Precip.
7%
7%
Night
70°F
NE 5 mph
Precip.
14%
14%
28.06
sun
sun
Day
75°F
S 5 mph
Precip.
7%
7%
Night
68°F
NW 1 mph
Precip.
14%
14%
29.06
mon
mon
Day
77°F
W 12 mph
Precip.
3%
3%
Night
70°F
W 7 mph
Precip.
23%
23%
30.06
tue
tue
Day
72°F
W 3 mph
Precip.
17%
17%
Night
70°F
W 16 mph
Precip.
91%
91%
01.07
wed
wed
Day
72°F
W 16 mph
Precip.
32%
32%
Night
68°F
W 4 mph
Precip.
14%
14%
02.07
thu
thu
Day
75°F
S 7 mph
Precip.
7%
7%
Night
70°F
NW 4 mph
Precip.
11%
11%
03.07
fri
fri
Day
79°F
SW 6 mph
Precip.
4%
4%
Night
70°F
N 2 mph
Precip.
7%
7%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 71.2°F and 67.5°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.
Air temperature in Jeju, °F
Precipitation total in Jeju, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 11:09
June 27, saturday
1200
73°F
S
2 mph
2 mph
1500
73°F
SE
6 mph
6 mph
1800
73°F
E
3 mph
3 mph
2100
72°F
E
4 mph
4 mph
June 28, sunday
0000
70°F
NE
5 mph
5 mph
0300
68°F
NE
6 mph
6 mph
0600
68°F
NE
4 mph
4 mph
0900
73°F
S
2 mph
2 mph
