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: 04:35
November 22, friday
0600
55°F
SE
14 mph
14 mph
0900
55°F
SE
16 mph
16 mph
1200
55°F
SE
17 mph
17 mph
1500
54°F
S
17 mph
17 mph
1800
52°F
S
15 mph
15 mph
2100
50°F
S
14 mph
14 mph
November 23, saturday
0000
50°F
S
14 mph
14 mph
0300
48°F
S
11 mph
11 mph
