World Resorts South Korea Jeju Weather

Jeju 7 Days Forecast

14.01
wed
Day
50°F
E 6 mph
Precip.
0%
Night
48°F
N 10 mph
Precip.
0%
15.01
thu
Day
59°F
E 19 mph
Precip.
0%
Night
46°F
SE 6 mph
Precip.
0%
16.01
fri
Day
54°F
S 6 mph
Precip.
0%
Night
50°F
E 1 mph
Precip.
0%
17.01
sat
Day
57°F
W 6 mph
Precip.
0%
Night
50°F
NW 6 mph
Precip.
0%
18.01
sun
Day
63°F
NW 4 mph
Precip.
0%
Night
55°F
SE 16 mph
Precip.
100%
19.01
mon
Day
37°F
SE 21 mph
Precip.
0%
Night
34°F
S 18 mph
Precip.
0%
20.01
tue
Day
36°F
SE 21 mph
Precip.
79%
Night
34°F
SE 25 mph
Precip.
89%

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 48.6 °F
Rainiest months:
August 8 days
September 7 days
July 7 days
Windiest months:
January 14.4 mph
December 14.1 mph
February 14.0 mph

Jeju on a weather map

Current weather
22:25
Jeju
+48°F
N 7 mph
Feels like: +46°F
Precip.: 0%
Places in South Korea:
Name
°F
Yongpyong
+21°F
Incheon
+34°F
Muju
+32°F
Busan
+43°F
Seoul
+30°F
Jeju
+48°F
24 Hours Forecast
Jeju
Local time: 22:25
January 15, thursday
0000
48°F
N
10 mph
0300
50°F
NE
14 mph
0600
52°F
NE
19 mph
0900
55°F
NE
21 mph
1200
59°F
E
19 mph
1500
55°F
SE
16 mph
1800
52°F
SE
11 mph
2100
48°F
SE
9 mph
Units of measurement: °C / °F