About Chillicothe, OH

Chillicothe is a city of approximately 21,700 people in Ohio, United States. Located in the Eastern Time Zone at 39.3°N latitude.

Chillicothe has a humid continental climate. Average annual temperature is 52°F, with January lows around 20°F and July highs near 84°F. The city averages 40 inches of precipitation per year. The wettest month is typically June; the driest is February.