23.04
wed
wed
Day

61°F
SE 1 mph
Precip.
83%
83%
Night

57°F
E 6 mph
Precip.
0%
0%
24.04
thu
thu
Day

64°F
SE 11 mph
Precip.
0%
0%
Night

54°F
SE 14 mph
Precip.
0%
0%
25.04
fri
fri
Day

57°F
SE 9 mph
Precip.
0%
0%
Night

54°F
E 8 mph
Precip.
0%
0%
26.04
sat
sat
Day

64°F
SW 6 mph
Precip.
0%
0%
Night

59°F
E 4 mph
Precip.
0%
0%
27.04
sun
sun
Day

63°F
S 6 mph
Precip.
0%
0%
Night

59°F
SE 5 mph
Precip.
0%
0%
28.04
mon
mon
Day

61°F
SE 9 mph
Precip.
0%
0%
Night

57°F
E 6 mph
Precip.
0%
0%
29.04
tue
tue
Day

64°F
E 10 mph
Precip.
0%
0%
Night

61°F
NE 8 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
The average sea water temperature in April of 2025 was 57.4°F. The highest and lowest sea temperatures during the month were 58.3°F and 56.3°F.
Sea water temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
56
59
62
65
68
71
The average sea water temperature in May of 2024 was 63.4°F. The highest and lowest sea temperatures during the month were 66.0°F and 60.6°F.
Air temperature in Jeju, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
48.2
59.0
68.0
77.3
85.0
82.6
75.0
68.7
61.5
54.2
46.5
45.1
44.7
54.8
63.7
72.5
78.0
75.6
68.8
61.5
54.9
48.2
42.0
41.3
Day temperature | Night temperature |
Precipitation total in Jeju, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.9
5.8
7.8
9.7
11.6
13.6
2.4
2.3
4.6
11.3
9.5
6.8
7.9
5.2
4
3.5
2.8
3
* Charts above show average data for the last 3 years.
Best time for vacation in Jeju
Jeju on a weather map
Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 07:40
April 23, wednesday
0900

59°F
SE
4 mph
4 mph
1200

61°F
SE
1 mph
1 mph
1500

61°F
E
6 mph
6 mph
1800

59°F
SE
6 mph
6 mph
2100

57°F
E
6 mph
6 mph
April 24, thursday
0000

57°F
E
6 mph
6 mph
0300

55°F
E
7 mph
7 mph
0600

57°F
E
5 mph
5 mph