Nachusa Illinois Climate Data

Monthly Average Climate Data for Nachusa Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F28.9 °F1.77 in.
February16.4 °F33.4 °F1.76 in.
March26.7 °F45.9 °F2.42 in.
April37.1 °F59.6 °F3.64 in.
May49.0 °F71.0 °F4.85 in.
June58.9 °F79.9 °F5.23 in.
July62.2 °F82.7 °F4.31 in.
August60.2 °F81.2 °F4.04 in.
September51.7 °F75.5 °F3.63 in.
October40.1 °F62.5 °F2.85 in.
November29.2 °F47.3 °F2.33 in.
December19.0 °F34.5 °F2.02 in.
Annual38.6 °F58.5 °F38.85 in.

Climate Data for Nachusa 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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