Best Time to Visit Cheonan
Best time: May, Oct, Apr, Jun.
Aug is warmest (29.8°C high); Jul is rainiest (312 mm).
Cheonan weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 2.1 | -7.9 | 28 | 3.8 |
| Feb | 4.6 | -5.8 | 32 | 5.1 |
| Mar | 10.5 | -0.7 | 50 | 6.6 |
| Apr | 18.2 | 5.6 | 88 | 8.2 |
| May | 23.1 | 11.5 | 94 | 9 |
| Jun | 26.8 | 17 | 142 | 8.4 |
| Jul | 29.2 | 21.4 | 312 | 7.2 |
| Aug | 29.8 | 21.3 | 271 | 7.3 |
| Sep | 25.5 | 15.1 | 148 | 6.7 |
| Oct | 19.6 | 7.6 | 52 | 5.8 |
| Nov | 11.7 | 1 | 51 | 4.2 |
| Dec | 4.8 | -5.1 | 30 | 3.4 |
Average high temperature
Best months by activity
Overall: MayOctAprJun
Beaches: Jun
Hiking: OctAprMayMar
Sightseeing: OctMayAprJun
Cheonan quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (May, Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Cheonan?
May, Oct, Apr, Jun.
What is the rainiest month?
Jul, about 312 mm.
What is the warmest month?
Aug, with average highs of 29.8°C.
Where to stay
See Cheonan hotels · Book Cheonan tours & activities
All destinations · Best time to visit Seoul · Best time to visit Yeoju · Best time to visit Yangsan · Best time to visit Yangju
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.