Gardner Illinois Climate Data

Monthly Average Climate Data for Gardner Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.8 °F31.5 °F2.03 in.
February18.8 °F35.8 °F1.79 in.
March28.3 °F47.9 °F2.41 in.
April38.8 °F60.9 °F3.63 in.
May50.3 °F72.2 °F4.67 in.
June60.1 °F81.4 °F4.57 in.
July63.6 °F84.2 °F4.11 in.
August61.6 °F82.5 °F3.74 in.
September53.5 °F77.3 °F3.32 in.
October41.8 °F64.2 °F3.06 in.
November31.4 °F49.3 °F2.51 in.
December21.6 °F36.8 °F2.04 in.
Annual40.5 °F60.3 °F37.88 in.

Climate Data for Gardner Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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