When to go · Cheonan
Cheonan in October
Great month. Inside Cheonan's best window: Apr–Jun, Sep–Nov.
Key facts
- Verdict
- Great
- Temperature
- 20°C69°F / 7°C45°F
- average high / low
- Rain days
- 6
- Crowds
- High
- South Korea overall
- Prices
- High
- South Korea overall
Verdict
GreatBest and avoid months for Cheonan
Inside Cheonan's best window: Apr–Jun, Sep–Nov.
Weather in October
- CheonanHighs around 20.4 °C, lows around 7.4 °C, rain on about 6 daysHighs around 69 °F, lows around 45 °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.
What to pack
- A warm layer for the evenings