World Resorts South Korea Jeju Weather

Jeju weather in June

Weather in Jeju: June

Average day temperature: 74.3°F
Average night temperature: 68.7°F
Sea water temperature: 68.3°F
Number of sunny days: 11 days
Day length: 14.2 - 14.4 hours
Number of rainy days: 6 days
Precipitation totals: 6.6 in.

Air temperature in June, °F

Show year:
2026
2025
2024

The highest day temperature during June of 2026 was 77°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during June were 73.0°F and 68.8°F.

Sea water temperature in Jeju in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 71.2°F and 67.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in June is almost equal.

Precipitation total in June, in.

Precipitation total value in Jeju in June is 6.8 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 7.8 mph It makes June lest windy month of the year.

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 June is: 8.0.

Best time for vacation in Jeju

Sunniest months:
May 15 days
October 14 days
April 14 days
Warmest months:
August 84.5 °F
July 82.0 °F
September 77.7 °F
Warmest sea temp:
August 81.2 °F
September 77.5 °F
July 76.6 °F
Coldest months:
January 44.8 °F
February 46.3 °F
December 48.6 °F
Rainiest months:
August 8 days
September 7 days
July 7 days
Windiest months:
January 14.4 mph
December 14.1 mph
February 13.9 mph

Jeju on a weather map

Jeju
+73°F
S 2 mph
Feels like: +77°F
Precip.: 7%
Places in South Korea:
Name
°F
+73°F
+79°F
+82°F
+72°F
+88°F
+73°F
24 Hours Forecast
Jeju
Local time: 12:04
June 27, saturday
1500
73°F
SE
6 mph
1800
73°F
E
3 mph
2100
72°F
E
4 mph
June 28, sunday
0000
70°F
NE
5 mph
0300
68°F
NE
6 mph
0600
68°F
NE
4 mph
0900
73°F
S
2 mph
1200
75°F
S
5 mph
Units of measurement: °C / °F