Andalusia Illinois Climate Data

Monthly Average Climate Data for Andalusia Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.0 °F31.0 °F1.48 in.
February18.5 °F35.4 °F1.75 in.
March29.2 °F48.3 °F2.47 in.
April40.4 °F61.6 °F3.71 in.
May52.2 °F72.7 °F4.87 in.
June62.2 °F82.1 °F4.88 in.
July65.9 °F85.2 °F4.16 in.
August63.6 °F83.3 °F3.98 in.
September55.4 °F77.3 °F3.56 in.
October43.6 °F64.5 °F2.86 in.
November31.5 °F49.3 °F2.27 in.
December21.1 °F36.3 °F1.95 in.
Annual41.6 °F60.6 °F37.94 in.

Climate Data for Andalusia Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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