Winchester Indiana Climate Data

Monthly Average Climate Data for Winchester Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.8 °C0.9 °C69.6 mm
February-6.4 °C3.2 °C55.37 mm
March-1.4 °C9 °C80.26 mm
April4.3 °C16.2 °C103.38 mm
May10.6 °C22.1 °C109.47 mm
June15.8 °C26.8 °C117.86 mm
July17.1 °C28.3 °C101.6 mm
August15.9 °C27.7 °C88.14 mm
September11.9 °C24.7 °C78.99 mm
October5.9 °C17.9 °C76.71 mm
November0.2 °C10.2 °C81.03 mm
December-4.6 °C3.6 °C67.06 mm
Annual5.1 °C15.9 °C1029.47 mm

Climate Data for Winchester Indiana

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