Chillicothe is a city of approximately 6,200 people in Illinois, United States. Located in the Central Time Zone at 40.9°N latitude.
Chillicothe has a humid continental climate. Average annual temperature is 53°F, with January lows around 18°F and July highs near 86°F. The city averages 38 inches of precipitation and 26 inches of snow per year. The wettest month is typically May; the driest is February.
View historical weather for Chillicothe · More cities in Illinois