Weather in Jeju: April
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Average day temperature: | 60.6°F |
Average night temperature: | 54.3°F | |
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Sea water temperature: | 58.7°F |
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Number of sunny days: | 14 days |
Day length: | 12.5 - 13.5 hours | |
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Number of rainy days: | 5 days |
Precipitation totals: | 4.0 in. | |
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14 days
forecast
forecast
Jeju |
sea water
temperature
temperature
Jeju |
Air temperature in April, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day temperature | Night temperature |
The highest day temperature during April of 2024 was 69°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during April were 63.2°F and 57.3°F.
Sea water temperature in Jeju 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 2024 was 60.8°F. The highest and lowest sea temperatures during the month were 62.8°F and 59.4°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
47%
27%
27%
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, 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
3.5
2.8
3.0
2.4
2.3
4.6
11.3
9.5
6.8
7.9
5.2
4.0
3.5
2.8
3.0
Precipitation total value in Jeju in April is 4.0 in. Other months of the year show relatively similar values.
Wind speed in April, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.6
6.9
9.1
11.4
13.7
16.0
12.8
11.1
12.0
11.4
9.4
8.7
8.1
9.3
11.4
13.3
13.3
12.8
11.1
12.0
11.4
9.4
8.7
8.1
9.3
10.2
11.4
13.3
13.3
The average wind speed value in April is 10.2 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
8.9
10.4
4.2
5.9
6.9
5.6
7.1
7.6
8.1
8.7
6.4
4.9
4.6
4.2
5.9
6.9
5.6
7.1
7.6
8.1
8.7
7.9
6.4
4.9
4.6
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 7.9.
Best time for vacation in Jeju
Jeju on a weather map
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Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 08:37
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