Winchester Indiana Climate Data

Monthly Average Climate Data for Winchester Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.0 °F33.7 °F2.74 in.
February20.5 °F37.7 °F2.18 in.
March29.4 °F48.2 °F3.16 in.
April39.8 °F61.2 °F4.07 in.
May51.1 °F71.7 °F4.31 in.
June60.4 °F80.2 °F4.64 in.
July62.7 °F83.0 °F4.0 in.
August60.7 °F81.8 °F3.47 in.
September53.4 °F76.5 °F3.11 in.
October42.7 °F64.2 °F3.02 in.
November32.3 °F50.3 °F3.19 in.
December23.8 °F38.4 °F2.64 in.
Annual41.2 °F60.6 °F40.53 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation