14.01
wed
wed
Day
50°F
E 6 mph
Precip.
0%
0%
Night
48°F
N 10 mph
Precip.
0%
0%
15.01
thu
thu
Day
59°F
E 19 mph
Precip.
0%
0%
Night
46°F
SE 6 mph
Precip.
0%
0%
16.01
fri
fri
Day
54°F
S 6 mph
Precip.
0%
0%
Night
50°F
E 1 mph
Precip.
0%
0%
17.01
sat
sat
Day
57°F
W 6 mph
Precip.
0%
0%
Night
50°F
NW 6 mph
Precip.
0%
0%
18.01
sun
sun
Day
63°F
NW 4 mph
Precip.
0%
0%
Night
55°F
SE 16 mph
Precip.
100%
100%
19.01
mon
mon
Day
37°F
SE 21 mph
Precip.
0%
0%
Night
34°F
S 18 mph
Precip.
0%
0%
20.01
tue
tue
Day
36°F
SE 21 mph
Precip.
79%
79%
Night
34°F
SE 25 mph
Precip.
89%
89%
21.01
wed
wed
Day
36°F
S 24 mph
Precip.
61%
61%
Night
34°F
SE 20 mph
Precip.
69%
69%
22.01
thu
thu
Day
37°F
S 17 mph
Precip.
72%
72%
Night
37°F
S 10 mph
Precip.
67%
67%
23.01
fri
fri
Day
37°F
S 7 mph
Precip.
64%
64%
Night
37°F
E 9 mph
Precip.
100%
100%
24.01
sat
sat
Day
41°F
SE 18 mph
Precip.
100%
100%
Night
37°F
SE 25 mph
Precip.
82%
82%
25.01
sun
sun
Day
36°F
SE 22 mph
Precip.
66%
66%
Night
34°F
S 12 mph
Precip.
65%
65%
26.01
mon
mon
Day
36°F
S 14 mph
Precip.
60%
60%
Night
34°F
S 15 mph
Precip.
75%
75%
27.01
tue
tue
Day
37°F
S 16 mph
Precip.
69%
69%
Night
36°F
S 17 mph
Precip.
84%
84%
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: 23:31
January 15, thursday
0000
48°F
N
10 mph
10 mph
0300
50°F
NE
14 mph
14 mph
0600
52°F
NE
19 mph
19 mph
0900
55°F
NE
21 mph
21 mph
1200
59°F
E
19 mph
19 mph
1500
55°F
SE
16 mph
16 mph
1800
52°F
SE
11 mph
11 mph
2100
48°F
SE
9 mph
9 mph
