Seoul in October

Best month for walking; autumn colour.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

No other month rates higher than October for Seoul in this guide.

• SeoulHighs around 20 °C (68 °F), lows around 10 °C (50 °F), rain on about 6 daysHighs around 68 °F (20 °C), lows around 50 °F (10 °C), rain on about 6 days
• Seoul and north-west, South Korea · Seoul, Incheon, Suwon, the DMZbest weather

  Continental: dry winters down to −15 °C (5 °F) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.Continental: dry winters down to 5 °F (−15 °C) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.

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) check

  15th of the 8th lunar month; around 14–16 September in 2027 · Whole city

  Three-day holiday: Seoul empties, many local restaurants close, palaces and museums mostly open.

• Seoul International Fireworks Festival check

  An early-October Saturday · Yeouido Hangang Park

  Huge crowds; nearby stations skip stops in the evening.

• National Foundation Day and Hangeul Day

  3 and 9 October · Nationwide

  Two public holidays, often long weekends.

• Autumn leaves

  Late October to mid-November · Palaces, Namsan, Bukhansan, Deoksugung stone-wall road

  The best walking weeks; palace gardens crowded on weekends.

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.

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

• A warm layer for the evenings

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