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)66°F (19°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 6
- Crowds
- High
- South Korea overall
- Prices
- High
- South Korea overall
Verdict
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
- Deokjeok IslandHighs around 19 °C (66 °F), lows around 11 °C (52 °F), rain on about 6 daysHighs around 66 °F (19 °C), lows around 52 °F (11 °C), 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)66 °F (19 °C)
Jun: 25 °C (77 °F)77 °F (25 °C)
Night low
Oct: 11 °C (52 °F)52 °F (11 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
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