Jeju weather in July 2025

Expect 28°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Jeju in July. Check more long-term weather averages for Jeju in July before you book your next holiday to South Korea in 2025/2026.

  • 28°C maximum daytime temperature in July in Jeju28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in July in Jeju13
    13 days with some rainfall
  • 22°C minimum night-time temperature in July in Jeju22
    22°C min night temperature
  • 14 hours of daylight per day in July in Jeju14
    14 hours of daylight per day
  • High heat & humidity in July in JejuH
    High heat & humidity
  • 267 mm monthly rainfall in July in Jeju267
    267 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Jeju11
    11 (Extreme) UV index
  • 24°C sea temperature in July in Jeju24
    24°C sea temperature

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The July 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 hot is it in Jeju in July?

Daytime temperatures usually reach 28°C in Jeju in July with high heat and humidity, falling to 22°C at night.

How sunny is it in Jeju in July?

There are normally 6 hours of bright sunshine each day in Jeju in July - that's 44% of daylight hours.

How warm is the sea around Jeju in July?

The average sea temperature around Jeju in July is 24°C.

Does it rain in Jeju in July?

There are usually 13 days with some rain in Jeju in July and the average monthly rainfall is 267mm.

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

On average 1.4 days in July in Jeju are likely to be affected by the passage of one or more tropical storms.

Jeju July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:28 19:48
Wednesday, 16th July 2025 05:35 19:44
Thursday, 31st July 2025 05:46 19:35

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