Zionsville Indiana Climate Data

Monthly Average Climate Data for Zionsville Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.9 °F35.2 °F2.94 in.
February22.6 °F39.2 °F2.48 in.
March31.4 °F50.0 °F3.28 in.
April42.2 °F62.8 °F4.43 in.
May53.3 °F72.8 °F4.69 in.
June62.2 °F81.2 °F5.18 in.
July65.3 °F84.2 °F4.29 in.
August63.6 °F83.1 °F3.12 in.
September55.9 °F77.7 °F3.33 in.
October44.4 °F65.5 °F3.18 in.
November33.9 °F51.3 °F3.42 in.
December25.1 °F39.6 °F2.97 in.
Annual43.3 °F61.9 °F43.31 in.

Climate Data for Zionsville Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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