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 (37 °F) / -7.5 °C (19 °F), 5 rain days37 °F (3 °C) / 19 °F (-7.5 °C), 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 (42 °F) / -5.4 °C (22 °F), 5 rain days42 °F (5.8 °C) / 22 °F (-5.4 °C), 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 (53 °F) / -0.8 °C (31 °F), 6 rain days53 °F (11.8 °C) / 31 °F (-0.8 °C), 6 rain daysCrowds: Medium
- AprilGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.18.7 °C (66 °F) / 4.9 °C (41 °F), 7 rain days66 °F (18.7 °C) / 41 °F (4.9 °C), 7 rain daysCrowds: High
- MayGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.24.1 °C (75 °F) / 11.4 °C (53 °F), 7 rain days75 °F (24.1 °C) / 53 °F (11.4 °C), 7 rain daysCrowds: High
- JuneGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.27.5 °C (82 °F) / 16.8 °C (62 °F), 9 rain days82 °F (27.5 °C) / 62 °F (16.8 °C), 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 (85 °F) / 21.2 °C (70 °F), 14 rain days85 °F (29.5 °C) / 70 °F (21.2 °C), 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 (86 °F) / 21.3 °C (70 °F), 14 rain days86 °F (30.2 °C) / 70 °F (21.3 °C), 14 rain daysCrowds: High
- SeptemberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.26.1 °C (79 °F) / 15.2 °C (59 °F), 8 rain days79 °F (26.1 °C) / 59 °F (15.2 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.20.4 °C (69 °F) / 7.4 °C (45 °F), 6 rain days69 °F (20.4 °C) / 45 °F (7.4 °C), 6 rain daysCrowds: High · 1 festival or holiday
- NovemberGreatInside Cheonan's best window: Apr–Jun, Sep–Nov.12.8 °C (55 °F) / 1 °C (34 °F), 6 rain days55 °F (12.8 °C) / 34 °F (1 °C), 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 (41 °F) / -5.1 °C (23 °F), 5 rain days41 °F (5.2 °C) / 23 °F (-5.1 °C), 5 rain daysCrowds: Medium
Compare two months
Weather, crowds and prices for any two months in Cheonan, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 18.7 °C (66 °F)66 °F (18.7 °C)
May: 24.1 °C (75 °F)75 °F (24.1 °C)
Night low
Apr: 4.9 °C (41 °F)41 °F (4.9 °C)
May: 11.4 °C (53 °F)53 °F (11.4 °C)
Rain days
Apr: 7
May: 7
Crowds
Apr: High
May: High
Prices
Apr: High
May: High
Festivals listed
Apr: 0
May: 0
April: Inside Cheonan's best window: Apr–Jun, Sep–Nov.
May: Inside Cheonan's best window: Apr–Jun, Sep–Nov.
Cheonan: figures are long-term averages from this guide, not a forecast.