Scales Mound Illinois Climate Data

Monthly Average Climate Data for Scales Mound Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.5 °F27.1 °F1.42 in.
February14.0 °F31.6 °F1.59 in.
March25.0 °F44.1 °F2.14 in.
April36.0 °F57.7 °F3.9 in.
May47.6 °F69.4 °F4.38 in.
June57.9 °F78.9 °F5.84 in.
July61.6 °F82.0 °F4.83 in.
August59.4 °F80.3 °F4.17 in.
September51.1 °F73.7 °F3.9 in.
October39.4 °F60.8 °F3.01 in.
November28.1 °F45.6 °F2.28 in.
December17.2 °F32.7 °F1.78 in.
Annual37.3 °F57 °F39.24 in.

Climate Data for Scales Mound Illinois

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°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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