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 84.9°F. The average nightly temp is 77.7°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 81.2°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: 16:41
January 01, thursday
1800
37°F
SE
18 mph
18 mph
2100
39°F
SE
19 mph
19 mph
January 02, friday
0000
37°F
SE
19 mph
19 mph
0300
37°F
SE
26 mph
26 mph
0600
34°F
SE
27 mph
27 mph
0900
36°F
SE
28 mph
28 mph
1200
37°F
SE
26 mph
26 mph
1500
37°F
SE
25 mph
25 mph
