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🇰🇷 South Korea · Jeju

Jeju Weather by Month

Jeju combines four seasons with a windy maritime climate. Summer monsoon rain and late-summer typhoons can affect flights, ferries and outdoor plans.

How to use this guide Choose a month to compare 10-year average high/low temperatures, rainfall, rainy days, and recent 3-year daily weather calendars.
Jeju travel scenery
January–December weather
Each month has its own detailed weather page.
January weatherWinter · Windy

January can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

February weatherWinter · Windy

February can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

March weatherEarly spring · Windy

March can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

April weatherSpring

April typically falls in a spring pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.

May weatherLate spring · Windy

May can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

June weatherRainy season

June is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

July weatherRainy season · Heat

July is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

August weatherMidsummer · Typhoon risk

August can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.

September weatherLate summer · Typhoon risk

September can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.

October weatherAutumn · Windy

October can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

November weatherLate autumn · Windy

November can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.

December weatherWinter · Windy

December can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.