08.01
thu
thu
Day
39°F
SE 20 mph
Precip.
62%
62%
Night
39°F
SE 11 mph
Precip.
0%
0%
09.01
fri
fri
Day
46°F
E 11 mph
Precip.
0%
0%
Night
43°F
NE 14 mph
Precip.
0%
0%
10.01
sat
sat
Day
54°F
E 29 mph
Precip.
0%
0%
Night
39°F
SE 27 mph
Precip.
100%
100%
11.01
sun
sun
Day
39°F
SE 32 mph
Precip.
0%
0%
Night
37°F
SE 12 mph
Precip.
60%
60%
12.01
mon
mon
Day
45°F
NE 7 mph
Precip.
0%
0%
Night
50°F
NE 24 mph
Precip.
67%
67%
13.01
tue
tue
Day
46°F
SE 14 mph
Precip.
0%
0%
Night
43°F
E 2 mph
Precip.
0%
0%
14.01
wed
wed
Day
54°F
NE 10 mph
Precip.
0%
0%
Night
46°F
N 5 mph
Precip.
0%
0%
15.01
thu
thu
Day
57°F
NE 11 mph
Precip.
0%
0%
Night
50°F
SE 19 mph
Precip.
0%
0%
16.01
fri
fri
Day
48°F
SE 17 mph
Precip.
0%
0%
Night
43°F
SE 8 mph
Precip.
0%
0%
17.01
sat
sat
Day
45°F
SE 14 mph
Precip.
0%
0%
Night
41°F
S 5 mph
Precip.
0%
0%
18.01
sun
sun
Day
50°F
SE 2 mph
Precip.
0%
0%
Night
46°F
NE 2 mph
Precip.
0%
0%
19.01
mon
mon
Day
46°F
S 11 mph
Precip.
85%
85%
Night
36°F
S 19 mph
Precip.
65%
65%
20.01
tue
tue
Day
36°F
S 14 mph
Precip.
0%
0%
Night
39°F
W 4 mph
Precip.
62%
62%
21.01
wed
wed
Day
39°F
SE 14 mph
Precip.
72%
72%
Night
39°F
S 12 mph
Precip.
65%
65%
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: 20:23
January 08, thursday
2100
39°F
SE
14 mph
14 mph
January 09, friday
0000
39°F
SE
11 mph
11 mph
0300
39°F
SE
8 mph
8 mph
0600
39°F
SE
7 mph
7 mph
0900
41°F
E
8 mph
8 mph
1200
46°F
E
11 mph
11 mph
1500
45°F
E
12 mph
12 mph
1800
41°F
NE
11 mph
11 mph
