Chillicothe Ohio Climate Data

Monthly Average Climate Data for Chillicothe Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.6 °C3.8 °C76.96 mm
February-4.6 °C5.6 °C72.64 mm
March-0.5 °C11.2 °C93.73 mm
April5.2 °C18.4 °C101.09 mm
May11.2 °C23.7 °C111.76 mm
June15.9 °C28.2 °C110.24 mm
July17.8 °C29.7 °C99.82 mm
August16.6 °C29.3 °C82.55 mm
September12.4 °C26.2 °C78.49 mm
October6.1 °C19.4 °C73.41 mm
November0.6 °C12.2 °C72.39 mm
December-2.7 °C6.2 °C82.04 mm
Annual6 °C17.8 °C1055.12 mm

Climate Data for Chillicothe Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation