World Resorts

South Korea

Jeju Weather

Jeju 14 Days Forecast

29.12
mon

Day

57°F

E 17 mph

Precip.
86%

Night

50°F

SE 7 mph

Precip.
84%

30.12
tue

Day

48°F

S 13 mph

Precip.
0%

Night

39°F

S 18 mph

Precip.
79%

31.12
wed

Day

37°F

S 15 mph

Precip.
84%

Night

37°F

S 19 mph

Precip.
79%

01.01
thu

Day

37°F

S 22 mph

Precip.
75%

Night

37°F

S 12 mph

Precip.
0%

02.01
fri

Day

45°F

SE 11 mph

Precip.
0%

Night

46°F

SE 14 mph

Precip.
68%

03.01
sat

Day

46°F

SE 16 mph

Precip.
71%

Night

41°F

SE 9 mph

Precip.
0%

04.01
sun

Day

45°F

SE 10 mph

Precip.
0%

Night

48°F

E 17 mph

Precip.
100%

05.01
mon

Day

37°F

SE 28 mph

Precip.
100%

Night

36°F

SE 24 mph

Precip.
100%

06.01
tue

Day

37°F

SE 25 mph

Precip.
100%

Night

39°F

SE 15 mph

Precip.
63%

07.01
wed

Day

43°F

SE 14 mph

Precip.
100%

Night

43°F

E 14 mph

Precip.
63%

08.01
thu

Day

46°F

SE 17 mph

Precip.
64%

Night

41°F

SE 11 mph

Precip.
0%

09.01
fri

Day

46°F

SE 9 mph

Precip.
0%

Night

43°F

E 7 mph

Precip.
0%

10.01
sat

Day

50°F

E 17 mph

Precip.
80%

Night

46°F

E 22 mph

Precip.
0%

11.01
sun

Day

37°F

SE 22 mph

Precip.
62%

Night

36°F

SE 17 mph

Precip.
100%

sea water
temperature

Jeju

monthly
weather

Jeju

current
weather

Jeju

7 days
forecast

Jeju

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

The average sea water temperature in December of 2025 was 65.2°F. The highest and lowest sea temperatures during the month were 67.6°F and 63.1°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.