Chesterton Indiana Climate Data

Monthly Average Climate Data for Chesterton Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F32.3 °F2.42 in.
February20.7 °F35.9 °F2.22 in.
March29.0 °F46.1 °F2.29 in.
April39.0 °F58.2 °F3.6 in.
May49.3 °F69.2 °F4.18 in.
June59.2 °F78.4 °F4.4 in.
July64.3 °F82.5 °F4.22 in.
August63.3 °F81.0 °F4.09 in.
September56.3 °F75.3 °F3.66 in.
October44.4 °F63.2 °F4.06 in.
November33.9 °F49.4 °F2.76 in.
December24.3 °F37.6 °F2.24 in.
Annual41.8 °F59.1 °F40.14 in.

Climate Data for Chesterton Indiana

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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