When to go · Cheonan
Cheonan, month by month
The best months for Cheonan: Apr, May, Jun, Sep, Oct, Nov. Months to avoid: Jan, Feb, Jul, Aug, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (monsoon rain, 280–300 mm a month), Dec–Feb (lows below freezing).3 °C / -7.5 °C, 5 rain days37 °F / 19 °F, 5 rain daysCrowds: Low · 1 festival or holiday
- FebruaryAvoidListed as a month to avoid: Jul–Aug (monsoon rain, 280–300 mm a month), Dec–Feb (lows below freezing).5.8 °C / -5.4 °C, 5 rain days42 °F / 22 °F, 5 rain daysCrowds: Medium · 1 festival or holiday
- MarchMixedOutside the best window (Apr–Jun, Sep–Nov). Across South Korea: Cold start, fine dust peaks; cherry blossom reaches Jeju and Busan late in the month.11.8 °C / -0.8 °C, 6 rain days53 °F / 31 °F, 6 rain daysCrowds: Medium
- AprilGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.18.7 °C / 4.9 °C, 7 rain days66 °F / 41 °F, 7 rain daysCrowds: High
- MayGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.24.1 °C / 11.4 °C, 7 rain days75 °F / 53 °F, 7 rain daysCrowds: High
- JuneGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.27.5 °C / 16.8 °C, 9 rain days82 °F / 62 °F, 9 rain daysCrowds: Medium
- JulyAvoidListed as a month to avoid: Jul–Aug (monsoon rain, 280–300 mm a month), Dec–Feb (lows below freezing).29.5 °C / 21.2 °C, 14 rain days85 °F / 70 °F, 14 rain daysCrowds: High
- AugustAvoidListed as a month to avoid: Jul–Aug (monsoon rain, 280–300 mm a month), Dec–Feb (lows below freezing).30.2 °C / 21.3 °C, 14 rain days86 °F / 70 °F, 14 rain daysCrowds: High
- SeptemberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.26.1 °C / 15.2 °C, 8 rain days79 °F / 59 °F, 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.20.4 °C / 7.4 °C, 6 rain days69 °F / 45 °F, 6 rain daysCrowds: High · 1 festival or holiday
- NovemberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.12.8 °C / 1 °C, 6 rain days55 °F / 34 °F, 6 rain daysCrowds: Medium
- DecemberAvoidListed as a month to avoid: Jul–Aug (monsoon rain, 280–300 mm a month), Dec–Feb (lows below freezing).5.2 °C / -5.1 °C, 5 rain days41 °F / 23 °F, 5 rain daysCrowds: Medium