Jeju weather in June 2025

Expect 75°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Jeju in June. Check more long-term weather averages for Jeju in June before you book your next holiday to South Korea in 2025/2026.

  • 75°F maximum daytime temperature in June in Jeju75
    75°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in June in Jeju12
    12 days with some rainfall
  • 63°F minimum night-time temperature in June in Jeju63
    63°F min night temperature
  • 14 hours of daylight per day in June in Jeju14
    14 hours of daylight per day
  • No heat & humidity in June in Jeju0
    No heat & humidity
  • 9.3 inches monthly rainfall in June in Jeju9.3
    9.3 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Jeju10
    10 (Very High) UV index
  • 68°F sea temperature in June in Jeju68
    68°F sea temperature

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The June weather guide for South Korea (Jeju) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Jeju in June?

Daytime temperatures usually reach 75°F in Jeju in June, falling to 63°F at night.

How sunny is it in Jeju in June?

There are normally 6 hours of bright sunshine each day in Jeju in June - that's 43% of daylight hours.

How warm is the sea around Jeju in June?

The average sea temperature around Jeju in June is 68°F.

Does it rain in Jeju in June?

There are usually 12 days with some rain in Jeju in June and the average monthly rainfall is 9.3 inches.

What is the chance of a typhoon in Jeju in June?

On average less than 1 day in June in Jeju is likely to be affected by the passage of one or more tropical storms.

Jeju June sunrise & sunset times

Browse the sunrise and sunset times for Jeju in June 2025. Select a month to view Jeju sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:25 19:39
Sunday, 15th June 2025 05:24 19:45
Monday, 30th June 2025 05:27 19:48

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