World Resorts South Korea Jeju Weather

Jeju 7 Days Forecast

08.01
thu
Day
39°F
SE 20 mph
Precip.
62%
Night
39°F
SE 11 mph
Precip.
0%
09.01
fri
Day
46°F
E 11 mph
Precip.
0%
Night
43°F
NE 14 mph
Precip.
0%
10.01
sat
Day
54°F
E 29 mph
Precip.
0%
Night
39°F
SE 27 mph
Precip.
100%
11.01
sun
Day
39°F
SE 32 mph
Precip.
0%
Night
37°F
SE 12 mph
Precip.
60%
12.01
mon
Day
45°F
NE 7 mph
Precip.
0%
Night
50°F
NE 24 mph
Precip.
67%
13.01
tue
Day
46°F
SE 14 mph
Precip.
0%
Night
43°F
E 2 mph
Precip.
0%
14.01
wed
Day
54°F
NE 10 mph
Precip.
0%
Night
46°F
N 5 mph
Precip.
0%

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
20:22
Jeju
+39°F
SE 14 mph
Feels like: +32°F
Precip.: 84%
Places in South Korea:
Name
°F
Yongpyong
+16°F
Incheon
+28°F
Muju
+23°F
Busan
+34°F
Seoul
+25°F
Jeju
+39°F
24 Hours Forecast
Jeju
Local time: 20:22
January 08, thursday
2100
39°F
SE
14 mph
January 09, friday
0000
39°F
SE
11 mph
0300
39°F
SE
8 mph
0600
39°F
SE
7 mph
0900
41°F
E
8 mph
1200
46°F
E
11 mph
1500
45°F
E
12 mph
1800
41°F
NE
11 mph
Units of measurement: °C / °F