Jeju
South Korea
Long-term weather forecast
Long-term weather forecast
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June weather forecast and Climate
Jeju, South Korea

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A high sunrise Panorama of the Jeju Island in Jeju, South Korea
A high sunrise Panorama of the Jeju Island in Jeju, South Korea
  • The average high temperature in June: 24.8°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.3°C).

  • The average low temperature in June: 18.7°C

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).

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  • The average humidity in June: 76.8%

The month with the highest relative humidity is July (78.3%).
Months with the lowest relative humidity are February and March (64.9%).

  • The average rainfall in June: 181.4mm

The wettest month (with the highest rainfall) is August (262.5mm).
The driest month (with the lowest rainfall) is December (47.7mm).

  • The average rainfall days in June: 11.8 days

The month with the highest number of rainy days is August (13.5 days).
The month with the lowest number of rainy days is October (7 days).

  • The average sea temperature in June: 20.6°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

  • The average daylight in June: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in June: 5.7h

The month with most sunshine is May (Average sunshine: 6.8h).
The month with least sunshine is January (Average sunshine: 2.3h).

  • The average UV index in June: 10

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).

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