Measurements:
°C
°F
Jeju
82°F
E 9 mph
Feels like: 90°F
Precip: 16%
World Resorts South Korea Jeju Weather

14 Day Weather Forecast

07.29
wed
DAY
90°F
SE 9 mph
precip
9%
NIGHT
84°F
E 9 mph
precip
16%
07.30
thu
DAY
90°F
SE 11 mph
precip
5%
NIGHT
80°F
E 7 mph
precip
13%
07.31
fri
DAY
90°F
SE 10 mph
precip
5%
NIGHT
80°F
E 8 mph
precip
12%
08.01
sat
DAY
92°F
SE 9 mph
precip
11%
NIGHT
78°F
E 6 mph
precip
8%
08.02
sun
DAY
92°F
SE 9 mph
precip
3%
NIGHT
78°F
SE 5 mph
precip
6%
08.03
mon
DAY
94°F
SW 9 mph
precip
4%
NIGHT
82°F
W 6 mph
precip
10%
08.04
tue
DAY
92°F
SW 14 mph
precip
6%
NIGHT
84°F
SW 11 mph
precip
21%
08.05
wed
DAY
90°F
SW 10 mph
precip
6%
NIGHT
84°F
SW 6 mph
precip
8%
08.06
thu
DAY
90°F
SW 12 mph
precip
3%
NIGHT
84°F
SW 9 mph
precip
8%
08.07
fri
DAY
86°F
S 26 mph
precip
36%
NIGHT
80°F
SE 31 mph
precip
92%
08.08
sat
DAY
84°F
SE 30 mph
precip
39%
NIGHT
84°F
E 22 mph
precip
29%
08.09
sun
DAY
90°F
E 19 mph
precip
20%
NIGHT
82°F
NE 11 mph
precip
12%
08.10
mon
DAY
90°F
E 11 mph
precip
5%
NIGHT
82°F
NW 2 mph
precip
10%
08.11
tue
DAY
92°F
SW 12 mph
precip
14%
NIGHT
84°F
W 11 mph
precip
14%

Jeju Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Jeju was 80.5°F. The maximum and minimum values were 74.6°F and 88.0°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 85.6 °F
September 80.8 °F
Warmest sea temperature:
August 84.7 °F
September 80.5 °F
July 79.6 °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 +84
Incheon +80
Jeju +82
Muju +76
Seoul +80
Yongpyong +76
24 Hours Weather Forecast
Jeju
Local time: 05:53
29 jul, wednesday
0600 82°F
E
9 mph
0900 86°F
SE
9 mph
1200 90°F
SE
9 mph
1500 90°F
SE
11 mph
1800 86°F
SE
9 mph
2100 84°F
E
7 mph
30 jul, thursday
0000 84°F
E
9 mph
0300 84°F
E
10 mph