Donovan Illinois Climate Data

Monthly Average Climate Data for Donovan Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F32.3 °F2.21 in.
February19.4 °F37.0 °F1.96 in.
March28.9 °F48.6 °F2.51 in.
April38.9 °F62.0 °F3.78 in.
May50.6 °F73.0 °F4.33 in.
June60.2 °F81.8 °F4.96 in.
July63.3 °F84.3 °F4.6 in.
August61.1 °F82.9 °F3.62 in.
September53.1 °F78.1 °F3.18 in.
October41.9 °F65.4 °F3.3 in.
November31.5 °F50.0 °F2.65 in.
December22.0 °F37.4 °F2.25 in.
Annual40.6 °F61.1 °F39.35 in.

Climate Data for Donovan Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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