Jeju weather in April 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jeju in April. Check more long-term weather averages for Jeju in April before you book your next holiday to South Korea in 2025/2026.

  • 17°C maximum daytime temperature in April in Jeju17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in April in Jeju11
    11 days with some rainfall
  • 9°C minimum night-time temperature in April in Jeju9
    9°C min night temperature
  • 13 hours of daylight per day in April in Jeju13
    13 hours of daylight per day
  • No heat & humidity in April in Jeju0
    No heat & humidity
  • 134 mm monthly rainfall in April in Jeju134
    134 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Jeju8
    8 (Very High) UV index
  • 14°C sea temperature in April in Jeju14
    14°C sea temperature

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The April 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 / mm)  |  Imperial (°F / inches)

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How warm is it in Jeju in April?

Daytime temperatures usually reach 17°C in Jeju in April, falling to 9°C at night.

How sunny is it in Jeju in April?

There are normally 7 hours of bright sunshine each day in Jeju in April - that's 51% of daylight hours.

How warm is the sea around Jeju in April?

The average sea temperature around Jeju in April is 14°C.

Does it rain in Jeju in April?

There are usually 11 days with some rain in Jeju in April and the average monthly rainfall is 134mm.

Jeju April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:22 18:54
Tuesday, 15th April 2025 06:04 19:05
Wednesday, 30th April 2025 05:47 19:16

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