Measurements:
°C
°F
Jeju
78°F
NE 8 mph
Feels like: 82°F
Precip: 75%
World Resorts South Korea Jeju Weather

14 Day Weather Forecast

07.05
sun
DAY
78°F
NE 8 mph
precip
75%
NIGHT
74°F
NE 9 mph
precip
63%
07.06
mon
DAY
86°F
NE 6 mph
precip
9%
NIGHT
76°F
NE 4 mph
precip
11%
07.07
tue
DAY
88°F
NW 2 mph
precip
5%
NIGHT
76°F
N 7 mph
precip
11%
07.08
wed
DAY
88°F
N 6 mph
precip
5%
NIGHT
78°F
N 6 mph
precip
17%
07.09
thu
DAY
86°F
NW 3 mph
precip
16%
NIGHT
76°F
N 6 mph
precip
16%
07.10
fri
DAY
86°F
NW 4 mph
precip
20%
NIGHT
80°F
NW 7 mph
precip
16%
07.11
sat
DAY
90°F
NW 9 mph
precip
15%
NIGHT
80°F
NW 7 mph
precip
27%
07.12
sun
DAY
90°F
N 4 mph
precip
15%
NIGHT
80°F
N 4 mph
precip
12%
07.13
mon
DAY
88°F
S 4 mph
precip
7%
NIGHT
80°F
NE 3 mph
precip
10%
07.14
tue
DAY
90°F
SE 4 mph
precip
7%
NIGHT
78°F
NE 3 mph
precip
11%
07.15
wed
DAY
86°F
SE 9 mph
precip
8%
NIGHT
78°F
E 4 mph
precip
12%
07.16
thu
DAY
88°F
S 5 mph
precip
7%
NIGHT
78°F
W 2 mph
precip
13%
07.17
fri
DAY
88°F
SW 4 mph
precip
17%
NIGHT
78°F
N 3 mph
precip
15%
07.18
sat
DAY
86°F
S 6 mph
precip
14%
NIGHT
80°F
NE 1 mph
precip
15%

Jeju Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Jeju was 83.6°F. The maximum and minimum values were 76.2°F and 87.2°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
South Korea Resorts:
NAME
Busan +76
Incheon +78
Jeju +78
Muju +80
Seoul +84
Yongpyong +86
24 Hours Weather Forecast
Jeju
Local time: 11:49
05 jul, sunday
1200 78°F
NE
8 mph
1500 76°F
NE
6 mph
1800 76°F
E
6 mph
2100 76°F
NE
7 mph
06 jul, monday
0000 74°F
NE
9 mph
0300 74°F
NE
7 mph
0600 74°F
NE
7 mph
0900 82°F
NE
4 mph