Please click on any column to get detailed information about Jeju weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Jeju is august. The average daily temp is 85.0°F. The average nightly temp is 78.0°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 81.0°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 12:01
January 06, monday
1500
46°F
SE
21 mph
21 mph
1800
45°F
SE
22 mph
22 mph
2100
43°F
SE
21 mph
21 mph
January 07, tuesday
0000
39°F
SE
21 mph
21 mph
0300
39°F
SE
21 mph
21 mph
0600
37°F
SE
21 mph
21 mph
0900
39°F
SE
20 mph
20 mph
1200
41°F
SE
22 mph
22 mph
