Incheon in October

Inside Incheon's best window: Apr–Jun and Sep–Nov.

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

• IncheonHighs around 20 °C (68 °F), lows around 11 °C (52 °F), rain on about 6 daysHighs around 68 °F (20 °C), lows around 52 °F (11 °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) 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 · 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 Incheon, side by side.

• A warm layer for the evenings

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