27.10
tue
tue
Day
63°F
SE 19 mph
Precip.
6%
6%
Night
55°F
S 16 mph
Precip.
8%
8%
28.10
wed
wed
Day
54°F
S 8 mph
Precip.
2%
2%
Night
50°F
W 1 mph
Precip.
13%
13%
29.10
thu
thu
Day
63°F
S 1 mph
Precip.
25%
25%
Night
63°F
NE 4 mph
Precip.
83%
83%
30.10
fri
fri
Day
66°F
SE 13 mph
Precip.
8%
8%
Night
63°F
E 12 mph
Precip.
5%
5%
31.10
sat
sat
Day
63°F
S 10 mph
Precip.
4%
4%
Night
57°F
S 2 mph
Precip.
14%
14%
01.11
sun
sun
Day
63°F
N 6 mph
Precip.
21%
21%
Night
61°F
SE 13 mph
Precip.
34%
34%
02.11
mon
mon
Day
59°F
SE 14 mph
Precip.
13%
13%
Night
50°F
S 14 mph
Precip.
17%
17%
03.11
tue
tue
Day
54°F
S 12 mph
Precip.
6%
6%
Night
50°F
SW 6 mph
Precip.
3%
3%
04.11
wed
wed
Day
57°F
SW 7 mph
Precip.
3%
3%
Night
55°F
W 6 mph
Precip.
7%
7%
05.11
thu
thu
Day
61°F
SW 7 mph
Precip.
6%
6%
Night
57°F
W 6 mph
Precip.
8%
8%
06.11
fri
fri
Day
63°F
SW 7 mph
Precip.
16%
16%
Night
61°F
SW 6 mph
Precip.
14%
14%
07.11
sat
sat
Day
64°F
SW 7 mph
Precip.
12%
12%
Night
55°F
W 2 mph
Precip.
17%
17%
08.11
sun
sun
Day
63°F
S 6 mph
Precip.
20%
20%
Night
54°F
S 7 mph
Precip.
7%
7%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 76.1°F and 73.8°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 70.5°F. The highest and lowest sea temperatures during the month were 75.0°F and 64.8°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: 01:53
October 27, tuesday
0300
64°F
SE
14 mph
14 mph
0600
63°F
SE
16 mph
16 mph
0900
63°F
S
17 mph
17 mph
1200
63°F
SE
19 mph
19 mph
1500
63°F
SE
21 mph
21 mph
1800
61°F
S
22 mph
22 mph
2100
57°F
S
18 mph
18 mph
October 28, wednesday
0000
55°F
S
16 mph
16 mph
