When to go · Seoul
Seoul in October
Great month. Best month for walking; autumn colour.
Key facts
- Verdict
- Great
- Temperature
- 20° / 10°
- average high / low
- Rain days
- 6
- Crowds
- High
- South Korea overall
- Prices
- High
- South Korea overall
Verdict
Best month for walking; autumn colour.
Weather in October
- SeoulHighs around 20 °C, lows around 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 on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.
Autumn season
Clear skies, palace gardens in red and gold, the fireworks festival.
Watch: Chuseok closures; October is the busiest month for rooms.
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) 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 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.
What to pack
- A warm layer for the evenings