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When to go · Deokjeok Island

Deokjeok Island in October

Good month. Outside the best window (Jun–Sep). Across South Korea: Clear skies, autumn colour in the mountains, festivals everywhere; Chuseok falls here some years.

Key facts

Verdict
Good
Temperature
19°C (66°F) / 11°C (52°F)
average high / low
Rain days
6
Crowds
High
South Korea overall
Prices
High
South Korea overall

Verdict

GoodSouth Korea month rating

Outside the best window (Jun–Sep). Across South Korea: Clear skies, autumn colour in the mountains, festivals everywhere; Chuseok falls here some years.

Is another month better than October?

October is rated good. These months rate higher:

Weather in October

Long-term averages
  • Deokjeok IslandHighs around 19 °C (66 °F), lows around 11 °C (52 °F), rain on about 6 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Chuseok (harvest festival) big impact

    Chuseok: 24–26 Sep 2026 (passed); about 14–16 Sep 2027 (check) · South Korea

    Same three-day shutdown as Seollal; the largest travel peak of the year.

Crowds and prices

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

South Korea overall: Clear skies, autumn colour in the mountains, festivals everywhere; Chuseok falls here some years.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Deokjeok Island, side by side.

  • Verdict

    Oct: Good

    Jun: Great (better)

  • Daytime high

    Oct: 19 °C (66 °F)

    Jun: 25 °C (77 °F)

  • Night low

    Oct: 11 °C (52 °F)

    Jun: 17 °C (63 °F)

  • Rain days

    Oct: 6 (better)

    Jun: 9

  • Crowds

    Oct: High

    Jun: Medium

  • Prices

    Oct: High

    Jun: Medium

  • Festivals listed

    Oct: 1

    Jun: 0

October: Outside the best window (Jun–Sep). Across South Korea: Clear skies, autumn colour in the mountains, festivals everywhere; Chuseok falls here some years.

June: Inside Deokjeok Island's best window: Jun–Sep.

Deokjeok Island: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across South Korea in October →