Blue Mound Illinois Climate Data

Monthly Average Climate Data for Blue Mound Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F35.4 °F2.24 in.
February22.1 °F40.3 °F2.0 in.
March31.2 °F51.6 °F2.77 in.
April42.0 °F64.6 °F4.26 in.
May53.3 °F74.8 °F4.64 in.
June62.3 °F83.3 °F4.7 in.
July65.2 °F86.2 °F3.7 in.
August63.2 °F84.8 °F3.24 in.
September54.9 °F79.9 °F3.18 in.
October43.5 °F67.6 °F3.23 in.
November32.9 °F52.1 °F3.2 in.
December24.5 °F40.3 °F2.33 in.
Annual42.8 °F63.4 °F39.49 in.

Climate Data for Blue Mound 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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