Weather in Jeju in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 74.3°F | 81.8°F | 84.4°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 68.6°F | 75.5°F | 78.2°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 68.3°F | 76.3°F | 81.0°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 11 days | 9 days | 10 days | |||
| Day length: | ||||||
| Day length: | 14.2 - 14.4 h. | 13.8 - 14.3 h. | 12.9 - 13.8 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 7 days | 8 days | 9 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 7.3 in. | 6.7 in. | 9.3 in. | |||
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
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.
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 05:44
December 23, monday
0600
41°F
S
12 mph
12 mph
0900
43°F
S
9 mph
9 mph
1200
46°F
SE
11 mph
11 mph
1500
46°F
SE
13 mph
13 mph
1800
45°F
SE
13 mph
13 mph
2100
45°F
SE
12 mph
12 mph
December 24, tuesday
0000
45°F
SE
11 mph
11 mph
0300
45°F
SE
14 mph
14 mph
