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When to go · Jeju City

Jeju City in August

Avoid month. Listed as a month to avoid: Jul (rainy season) and Aug–Sep (peak typhoon risk).

Key facts

Verdict
Avoid
Temperature
30°C (86°F) / 24°C (75°F)
average high / low
Rain days
12
Crowds
High
South Korea overall
Prices
High
South Korea overall

Verdict

AvoidBest and avoid months for Jeju City

Listed as a month to avoid: Jul (rainy season) and Aug–Sep (peak typhoon risk).

Is another month better than August?

August is rated avoid. These months rate higher:

Weather in August

Long-term averages
  • Jeju CityHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 12 days
  • Jeju, South Korea · Jeju City, Seogwipo, Hallasanstorm or typhoon risk

    Windy and wet; the island takes the first hit of most typhoons. Hallasan summit gets snow in winter; flights stop in strong crosswinds.

Crowds and prices

Crowds · South Korea overall
High
Prices · South Korea overall
High

South Korea overall: Hottest month and the typhoon season starts; Busan beaches at peak.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Jeju City, side by side.

  • Verdict

    Aug: Avoid

    Apr: Great (better)

  • Daytime high

    Aug: 30 °C (86 °F)

    Apr: 18 °C (64 °F)

  • Night low

    Aug: 24 °C (75 °F)

    Apr: 10 °C (50 °F)

  • Rain days

    Aug: 12

    Apr: 9 (better)

  • Crowds

    Aug: High

    Apr: High

  • Prices

    Aug: High

    Apr: High

  • Festivals listed

    Aug: 0

    Apr: 0

August: Listed as a month to avoid: Jul (rainy season) and Aug–Sep (peak typhoon risk).

April: Inside Jeju City's best window: Apr–Jun and Sep–Oct (mild, before summer humidity and after typhoon season).

Jeju City: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across South Korea in August →