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.

January can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
February weatherWinter · WindyFebruary can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
March weatherEarly spring · WindyMarch can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
April weatherSpringApril typically falls in a spring pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
May weatherLate spring · WindyMay can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
June weatherRainy seasonJune is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.
July weatherRainy season · HeatJuly is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.
August weatherMidsummer · Typhoon riskAugust can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
September weatherLate summer · Typhoon riskSeptember can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
October weatherAutumn · WindyOctober can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
November weatherLate autumn · WindyNovember can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.
December weatherWinter · WindyDecember can feel cooler or more changeable because of wind, especially near the coast or on exposed trails.