Weather in Jeju: April
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Average day temperature: | 60.7°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: | 3.8 in. | |
| more information | ||
14 days
forecast
forecast
| Jeju |
sea water
temperature
temperature
| Jeju |
Air temperature in April, °F
Show year:
2025
2024
2023
The highest day temperature during April of 2025 was 73°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during April were 61.4°F and 53.8°F.
Sea water temperature in Jeju in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 60.8°F and 56.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Jeju in April is 3.7 in. Other months of the year show relatively similar values.
Wind speed in April, mph
The average wind speed value in April is 10.1 mph
Average sunny hours
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: 8.0.
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 16:13
December 05, friday
1800
43°F
S
9 mph
9 mph
2100
41°F
S
4 mph
4 mph
December 06, saturday
0000
43°F
SE
2 mph
2 mph
0300
43°F
E
4 mph
4 mph
0600
43°F
E
6 mph
6 mph
0900
46°F
E
7 mph
7 mph
1200
54°F
E
11 mph
11 mph
1500
54°F
E
13 mph
13 mph
