Measurements:
°C
°F
CURRENT WEATHER
20:52
Jeju
72°F
NW 9 mph
Feels like: 72°F
Precip: 82%
World Resorts South Korea Jeju Weather

14 Day Weather Forecast

05.19
tue
DAY
76°F
N 2 mph
precip
0%
NIGHT
70°F
W 11 mph
precip
100%
05.20
wed
DAY
70°F
W 9 mph
precip
100%
NIGHT
72°F
NE 14 mph
precip
100%
05.21
thu
DAY
68°F
E 16 mph
precip
100%
NIGHT
66°F
W 10 mph
precip
89%
05.22
fri
DAY
74°F
W 12 mph
precip
0%
NIGHT
68°F
NW 8 mph
precip
0%
05.23
sat
DAY
68°F
W 12 mph
precip
100%
NIGHT
64°F
SW 12 mph
precip
0%
05.24
sun
DAY
74°F
S 6 mph
precip
0%
NIGHT
66°F
SE 2 mph
precip
0%
05.25
mon
DAY
80°F
SW 4 mph
precip
0%
NIGHT
68°F
NW 3 mph
precip
0%
05.26
tue
DAY
76°F
NW 4 mph
precip
85%
NIGHT
74°F
N 7 mph
precip
100%
05.27
wed
DAY
70°F
E 9 mph
precip
70%
NIGHT
66°F
S 5 mph
precip
87%
05.28
thu
DAY
74°F
SW 8 mph
precip
0%
NIGHT
68°F
W 5 mph
precip
0%
05.29
fri
DAY
76°F
W 13 mph
precip
0%
NIGHT
68°F
W 6 mph
precip
0%
05.30
sat
DAY
80°F
SW 3 mph
precip
0%
NIGHT
70°F
S 2 mph
precip
0%
05.31
sun
DAY
78°F
S 6 mph
precip
0%
NIGHT
70°F
N 4 mph
precip
0%
06.01
mon
DAY
82°F
NW 6 mph
precip
0%
NIGHT
74°F
NW 2 mph
precip
100%

Jeju Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Jeju was 64.3°F. The maximum and minimum values were 60.6°F and 67.6°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 44.2 °F
February 45.9 °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
South Korea Resorts:
NAME
F°
Busan +70
Incheon +74
Jeju +72
Muju +62
Seoul +74
Yongpyong +64
24 Hours Weather Forecast
Jeju
Local time: 20:52
19 may, tuesday
2100 72°F
NW
9 mph
20 may, wednesday
0000 70°F
W
11 mph
0300 68°F
W
16 mph
0600 68°F
W
16 mph
0900 68°F
W
14 mph
1200 70°F
W
9 mph
1500 72°F
NW
5 mph
1800 70°F
NW
2 mph