World Resorts South Korea Jeju Weather

Jeju 7 Days Forecast

02.01
fri
Day
37°F
SE 26 mph
Precip.
100%
Night
39°F
SE 22 mph
Precip.
88%
03.01
sat
Day
45°F
SE 17 mph
Precip.
0%
Night
43°F
E 15 mph
Precip.
72%
04.01
sun
Day
48°F
SE 14 mph
Precip.
75%
Night
45°F
SE 12 mph
Precip.
62%
05.01
mon
Day
45°F
SE 14 mph
Precip.
0%
Night
41°F
SE 10 mph
Precip.
0%
06.01
tue
Day
46°F
SE 11 mph
Precip.
0%
Night
45°F
E 22 mph
Precip.
80%
07.01
wed
Day
43°F
SE 34 mph
Precip.
100%
Night
37°F
SE 26 mph
Precip.
87%
08.01
thu
Day
46°F
E 29 mph
Precip.
79%
Night
41°F
SE 22 mph
Precip.
72%

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
01:34
Jeju
+36°F
SE 26 mph
Feels like: +25°F
Precip.: 100%
Places in South Korea:
Name
°F
Yongpyong
+7°F
Incheon
+18°F
Muju
+16°F
Busan
+28°F
Seoul
+16°F
Jeju
+36°F
24 Hours Forecast
Jeju
Local time: 01:34
January 02, friday
0300
36°F
SE
26 mph
0600
34°F
SE
28 mph
0900
36°F
SE
26 mph
1200
37°F
SE
26 mph
1500
37°F
SE
25 mph
1800
37°F
SE
24 mph
2100
39°F
SE
24 mph
January 03, saturday
0000
39°F
SE
22 mph
Units of measurement: °C / °F