26.12
fri
fri
Day

39°F
SE 23 mph
Precip.
69%
69%
Night

39°F
S 14 mph
Precip.
0%
0%
27.12
sat
sat
Day

43°F
SE 11 mph
Precip.
0%
0%
Night

41°F
SE 4 mph
Precip.
0%
0%
28.12
sun
sun
Day

48°F
E 2 mph
Precip.
0%
0%
Night

43°F
N 6 mph
Precip.
0%
0%
29.12
mon
mon
Day

55°F
E 14 mph
Precip.
0%
0%
Night

48°F
S 8 mph
Precip.
0%
0%
30.12
tue
tue
Day

46°F
S 9 mph
Precip.
0%
0%
Night

41°F
S 16 mph
Precip.
0%
0%
31.12
wed
wed
Day

37°F
S 17 mph
Precip.
0%
0%
Night

39°F
S 11 mph
Precip.
0%
0%
01.01
thu
thu
Day

41°F
S 11 mph
Precip.
0%
0%
Night

41°F
SE 11 mph
Precip.
100%
100%
02.01
fri
fri
Day

41°F
SE 19 mph
Precip.
100%
100%
Night

39°F
S 17 mph
Precip.
70%
70%
03.01
sat
sat
Day

41°F
S 14 mph
Precip.
86%
86%
Night

41°F
SE 12 mph
Precip.
68%
68%
04.01
sun
sun
Day

45°F
SE 17 mph
Precip.
83%
83%
Night

43°F
SE 21 mph
Precip.
100%
100%
05.01
mon
mon
Day

43°F
SE 24 mph
Precip.
81%
81%
Night

43°F
SE 22 mph
Precip.
100%
100%
06.01
tue
tue
Day

39°F
SE 24 mph
Precip.
100%
100%
Night

34°F
SE 22 mph
Precip.
100%
100%
07.01
wed
wed
Day

39°F
SE 16 mph
Precip.
100%
100%
Night

39°F
SE 20 mph
Precip.
100%
100%
08.01
thu
thu
Day

37°F
S 12 mph
Precip.
78%
78%
Night

37°F
S 10 mph
Precip.
78%
78%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 65.4°F. The highest and lowest sea temperatures during the month were 67.6°F and 63.5°F.
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: 03:01
December 26, friday
0600

36°F
SE
27 mph
27 mph
0900

37°F
S
25 mph
25 mph
1200

39°F
SE
23 mph
23 mph
1500

39°F
SE
21 mph
21 mph
1800

39°F
S
19 mph
19 mph
2100

39°F
S
17 mph
17 mph
December 27, saturday
0000

39°F
S
14 mph
14 mph
0300

39°F
S
12 mph
12 mph



























