World Resorts South Korea Jeju Weather

Jeju 14 Days Forecast

24.12
wed
Day
48°F
SE 16 mph
Precip.
79%
Night
45°F
SE 16 mph
Precip.
0%
25.12
thu
Day
45°F
SE 30 mph
Precip.
86%
Night
37°F
SE 30 mph
Precip.
60%
26.12
fri
Day
39°F
S 22 mph
Precip.
80%
Night
37°F
S 11 mph
Precip.
86%
27.12
sat
Day
43°F
SE 9 mph
Precip.
0%
Night
39°F
SE 4 mph
Precip.
0%
28.12
sun
Day
48°F
SE 4 mph
Precip.
60%
Night
43°F
N 3 mph
Precip.
0%
29.12
mon
Day
54°F
E 8 mph
Precip.
89%
Night
50°F
E 14 mph
Precip.
100%
30.12
tue
Day
46°F
S 14 mph
Precip.
0%
Night
39°F
S 11 mph
Precip.
0%
31.12
wed
Day
45°F
S 7 mph
Precip.
0%
Night
43°F
SE 4 mph
Precip.
0%
01.01
thu
Day
48°F
S 9 mph
Precip.
0%
Night
43°F
S 3 mph
Precip.
0%
02.01
fri
Day
48°F
SE 13 mph
Precip.
0%
Night
45°F
S 14 mph
Precip.
0%
03.01
sat
Day
45°F
S 9 mph
Precip.
0%
Night
43°F
NW 7 mph
Precip.
0%
04.01
sun
Day
52°F
NW 5 mph
Precip.
79%
Night
46°F
NW 5 mph
Precip.
100%
05.01
mon
Day
50°F
S 17 mph
Precip.
100%
Night
45°F
SE 23 mph
Precip.
100%
06.01
tue
Day
43°F
SE 22 mph
Precip.
85%
Night
43°F
S 16 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 65.5°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

Sunniest months:
May 15 days
October 14 days
April 14 days
Warmest months:
August 84.5 °F
July 82.0 °F
September 77.7 °F
Warmest sea temp:
August 81.2 °F
September 77.5 °F
July 76.6 °F
Coldest months:
January 44.8 °F
February 46.2 °F
December 48.5 °F
Rainiest months:
August 8 days
September 7 days
July 7 days
Windiest months:
January 14.4 mph
December 14.3 mph
February 14.0 mph

Jeju on a weather map

Current weather
08:17
Jeju
+48°F
SE 14 mph
Feels like: +43°F
Precip.: 100%
Places in South Korea:
Name
°F
Yongpyong
+37°F
Incheon
+34°F
Muju
+39°F
Busan
+52°F
Seoul
+34°F
Jeju
+48°F
24 Hours Forecast
Jeju
Local time: 08:17
December 24, wednesday
0900
48°F
SE
14 mph
1200
48°F
SE
16 mph
1500
46°F
SE
16 mph
1800
46°F
SE
17 mph
2100
46°F
SE
14 mph
December 25, thursday
0000
45°F
SE
16 mph
0300
45°F
SE
20 mph
0600
45°F
SE
23 mph
Units of measurement: °C / °F