Measurements:
°C
°F
Jeju
78°F
NE 8 mph
Feels like: 82°F
Precip: 75%
World Resorts South Korea Jeju Weather June Weather in Jeju

Jeju Weather: June

Average Day Temperature: 77.0°F
Average Night Temperature: 70.8°F
Sea Water Temperature: 70.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.2 - 14.4 hours
Number of Rainy Days: 6 days
Precipitation Totals: 6.6 in

Air Temperature in June, °F

Select Year: 2026 2025 2024

The highest day temperature in June 2026 was 82°F. The lowest night temperature was 64°F. The average values for day and night temperatures during June were 75.8°F и 70.9°F respectivly.

Jeju Water Sea Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Jeju was 72.4°F. The maximum and minimum values were 69.4°F and 75.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during June. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in June, in

Precipitation total in June for Jeju is 6.6 in. It makes june one of the most rainy months of the year.

Wind Speed in June, mph

The average wind speed in June is 9.0 mph. It makes June the most windless month of the year for Jeju.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jeju in June is 7.9 hours.

Best Time to Visit Jeju
The most sunny months:
May 15 days
October 14 days
April 14 days
The most warm months:
August 88.3 °F
July 85.5 °F
September 80.8 °F
Warmest sea temperature:
August 84.7 °F
September 80.5 °F
July 79.5 °F
The most cold months:
January 44.2 °F
February 45.9 °F
December 48.5 °F
The most rainy months:
August 8 days
September 7 days
July 7 days
The most windy months:
January 14 mph
December 14 mph
February 14 mph

Jeju on the Weather Map

South Korea Resorts:
NAME
Busan +76
Incheon +78
Jeju +78
Muju +80
Seoul +84
Yongpyong +86
24 Hours Weather Forecast
Jeju
Local time: 11:48
05 jul, sunday
1200 78°F
NE
8 mph
1500 76°F
NE
6 mph
1800 76°F
E
6 mph
2100 76°F
NE
7 mph
06 jul, monday
0000 74°F
NE
9 mph
0300 74°F
NE
7 mph
0600 74°F
NE
7 mph
0900 82°F
NE
4 mph