Best time to visit Jeju

Find the best time to visit Jeju and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Jeju by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Jeju?

The best time to visit Jeju is June, July and September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 8°C maximum daytime temperature in January in Jeju8
    Jan
  • 9°C maximum daytime temperature in February in Jeju9
    Feb
  • 12°C maximum daytime temperature in March in Jeju12
    Mar
  • 17°C maximum daytime temperature in April in Jeju17
    Apr
  • 21°C maximum daytime temperature in May in Jeju21
    May
  • 24°C maximum daytime temperature in June in Jeju24
    Jun
  • 28°C maximum daytime temperature in July in Jeju28
    Jul
  • 29°C maximum daytime temperature in August in Jeju29
    Aug
  • 26°C maximum daytime temperature in September in Jeju26
    Sep
  • 21°C maximum daytime temperature in October in Jeju21
    Oct
  • 16°C maximum daytime temperature in November in Jeju16
    Nov
  • 11°C maximum daytime temperature in December in Jeju11
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Which is the hottest month in Jeju?

The hottest time of year in Jeju is normally August. Expect maximum daytime temperatures to reach 29°C with high heat and humidity.

Which month has the most rain in Jeju?

In terms of rainfall, July is usually the wettest month in Jeju with 267mm on average. There are normally 13 days in July with some rain.

When is it sunniest in Jeju?

The sunniest time of year in Jeju is normally October with bright sunshine on average for 56% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Jeju?

The sea is usually at its warmest in Jeju in August when the water temperature reaches 27°C.

Best time to visit

The weather guide for South Korea (Jeju) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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