13.01
tue
tue
Day
46°F
SE 15 mph
Precip.
0%
0%
Night
37°F
SE 9 mph
Precip.
0%
0%
14.01
wed
wed
Day
46°F
N 2 mph
Precip.
0%
0%
Night
46°F
N 7 mph
Precip.
0%
0%
15.01
thu
thu
Day
57°F
E 21 mph
Precip.
65%
65%
Night
45°F
SE 7 mph
Precip.
0%
0%
16.01
fri
fri
Day
52°F
S 8 mph
Precip.
0%
0%
Night
46°F
SE 2 mph
Precip.
0%
0%
17.01
sat
sat
Day
57°F
W 6 mph
Precip.
0%
0%
Night
46°F
NW 9 mph
Precip.
0%
0%
18.01
sun
sun
Day
61°F
W 8 mph
Precip.
0%
0%
Night
57°F
NE 4 mph
Precip.
100%
100%
19.01
mon
mon
Day
37°F
S 23 mph
Precip.
77%
77%
Night
32°F
S 22 mph
Precip.
83%
83%
20.01
tue
tue
Day
34°F
S 23 mph
Precip.
70%
70%
Night
32°F
S 24 mph
Precip.
85%
85%
21.01
wed
wed
Day
32°F
SE 27 mph
Precip.
100%
100%
Night
32°F
SE 25 mph
Precip.
100%
100%
22.01
thu
thu
Day
34°F
SE 28 mph
Precip.
100%
100%
Night
32°F
SE 28 mph
Precip.
100%
100%
23.01
fri
fri
Day
37°F
SE 25 mph
Precip.
63%
63%
Night
36°F
SE 22 mph
Precip.
61%
61%
24.01
sat
sat
Day
39°F
SE 22 mph
Precip.
60%
60%
Night
37°F
SE 24 mph
Precip.
74%
74%
25.01
sun
sun
Day
39°F
SE 22 mph
Precip.
64%
64%
Night
36°F
SE 12 mph
Precip.
62%
62%
26.01
mon
mon
Day
39°F
SE 14 mph
Precip.
78%
78%
Night
37°F
S 14 mph
Precip.
77%
77%
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 59.4°F. The highest and lowest sea temperatures during the month were 60.8°F and 57.6°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: 10:35
January 13, tuesday
1200
46°F
SE
15 mph
15 mph
1500
45°F
SE
19 mph
19 mph
1800
41°F
SE
16 mph
16 mph
2100
39°F
S
12 mph
12 mph
January 14, wednesday
0000
37°F
SE
9 mph
9 mph
0300
36°F
S
5 mph
5 mph
0600
37°F
SW
4 mph
4 mph
0900
41°F
W
2 mph
2 mph
