06.10
tue
tue
Day
68°F
S 13 mph
Precip.
3%
3%
Night
63°F
S 9 mph
Precip.
3%
3%
07.10
wed
wed
Day
70°F
S 8 mph
Precip.
1%
1%
Night
63°F
S 3 mph
Precip.
4%
4%
08.10
thu
thu
Day
72°F
SW 9 mph
Precip.
2%
2%
Night
64°F
W 7 mph
Precip.
5%
5%
09.10
fri
fri
Day
72°F
SW 12 mph
Precip.
12%
12%
Night
66°F
W 6 mph
Precip.
24%
24%
10.10
sat
sat
Day
70°F
SW 11 mph
Precip.
19%
19%
Night
68°F
N 4 mph
Precip.
11%
11%
11.10
sun
sun
Day
77°F
S 5 mph
Precip.
5%
5%
Night
70°F
E 2 mph
Precip.
11%
11%
12.10
mon
mon
Day
77°F
SE 5 mph
Precip.
16%
16%
Night
72°F
E 3 mph
Precip.
26%
26%
13.10
tue
tue
Day
75°F
SE 9 mph
Precip.
17%
17%
Night
68°F
E 9 mph
Precip.
29%
29%
14.10
wed
wed
Day
73°F
SE 14 mph
Precip.
4%
4%
Night
63°F
SE 18 mph
Precip.
4%
4%
15.10
thu
thu
Day
64°F
SE 15 mph
Precip.
2%
2%
Night
61°F
SE 11 mph
Precip.
4%
4%
16.10
fri
fri
Day
66°F
SE 11 mph
Precip.
2%
2%
Night
63°F
SW 7 mph
Precip.
14%
14%
17.10
sat
sat
Day
68°F
S 9 mph
Precip.
10%
10%
Night
63°F
SW 6 mph
Precip.
11%
11%
18.10
sun
sun
Day
68°F
SW 14 mph
Precip.
2%
2%
Night
64°F
W 11 mph
Precip.
5%
5%
19.10
mon
mon
Day
72°F
W 12 mph
Precip.
3%
3%
Night
66°F
NW 6 mph
Precip.
10%
10%
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 80.8°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: 22:38
October 07, wednesday
0000
63°F
S
9 mph
9 mph
0300
61°F
S
9 mph
9 mph
0600
61°F
S
7 mph
7 mph
0900
66°F
S
7 mph
7 mph
1200
70°F
S
8 mph
8 mph
1500
70°F
S
8 mph
8 mph
1800
66°F
S
7 mph
7 mph
2100
64°F
S
5 mph
5 mph
