Measurements:
°C
°F
CURRENT WEATHER
00:02
Jeju
34°F
SE 10 mph
Feels like: 26°F
Precip: 89%
World Resorts South Korea Jeju Weather

7 Day Weather Forecast

01.12
mon
DAY
44°F
NE 12 mph
precip
0%
NIGHT
50°F
E 24 mph
precip
81%
01.13
tue
DAY
46°F
SE 19 mph
precip
0%
NIGHT
36°F
SE 11 mph
precip
0%
01.14
wed
DAY
46°F
SW 2 mph
precip
0%
NIGHT
46°F
N 6 mph
precip
0%
01.15
thu
DAY
58°F
E 19 mph
precip
100%
NIGHT
46°F
SE 6 mph
precip
0%
01.16
fri
DAY
56°F
S 6 mph
precip
0%
NIGHT
46°F
E 1 mph
precip
0%
01.17
sat
DAY
52°F
S 9 mph
precip
0%
NIGHT
48°F
W 4 mph
precip
0%
01.18
sun
DAY
56°F
W 12 mph
precip
0%
NIGHT
48°F
W 11 mph
precip
0%

Jeju Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Jeju was 15.2°F. The maximum and minimum values were 14.2°F and 16.0°F respectively.

Jeju on the Weather Map

Best Time to Visit Jeju
The most sunny months:
May 15 days
October 14 days
April 14 days
The most warm months:
August 88.3 °F
July 85.5 °F
September 80.8 °F
Warmest sea temperature:
August 84.7 °F
September 80.5 °F
July 79.5 °F
The most cold months:
January 44.3 °F
February 45.8 °F
December 48.5 °F
The most rainy months:
August 8 days
September 7 days
July 7 days
The most windy months:
January 14 mph
December 14 mph
February 14 mph
more details