Hanna City Illinois Climate Data

Monthly Average Climate Data for Hanna City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.3 °F32.0 °F2.04 in.
February18.8 °F36.8 °F2.0 in.
March28.9 °F49.3 °F2.55 in.
April39.7 °F62.0 °F3.84 in.
May51.5 °F72.6 °F4.97 in.
June61.3 °F81.6 °F4.63 in.
July64.5 °F84.7 °F3.92 in.
August62.4 °F83.2 °F3.45 in.
September54.3 °F77.4 °F3.5 in.
October42.3 °F64.7 °F3.09 in.
November30.7 °F49.9 °F2.69 in.
December21.2 °F37.4 °F2.1 in.
Annual40.9 °F61 °F38.78 in.

Climate Data for Hanna City Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 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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