Hillcrest Illinois Climate Data

Monthly Average Climate Data for Hillcrest Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F28.6 °F1.68 in.
February16.0 °F32.9 °F1.68 in.
March26.3 °F45.3 °F2.21 in.
April36.7 °F59.1 °F3.58 in.
May48.6 °F70.6 °F4.65 in.
June58.5 °F79.7 °F5.07 in.
July61.8 °F82.5 °F3.98 in.
August59.7 °F80.9 °F3.89 in.
September51.5 °F75.1 °F3.47 in.
October39.8 °F62.3 °F2.78 in.
November29.2 °F47.1 °F2.32 in.
December18.6 °F34.1 °F1.91 in.
Annual38.3 °F58.2 °F37.22 in.

Climate Data for Hillcrest 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 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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