Peoria Heights Illinois Climate Data

Monthly Average Climate Data for Peoria Heights Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.5 °F32.1 °F2.14 in.
February19.0 °F36.8 °F2.06 in.
March28.9 °F49.1 °F2.61 in.
April39.7 °F62.2 °F3.91 in.
May51.2 °F72.8 °F4.62 in.
June60.9 °F81.8 °F4.77 in.
July64.3 °F84.9 °F3.97 in.
August62.2 °F83.4 °F3.45 in.
September54.0 °F77.7 °F3.62 in.
October42.2 °F65.0 °F3.22 in.
November30.9 °F50.1 °F2.74 in.
December21.4 °F37.4 °F2.13 in.
Annual40.9 °F61.1 °F39.24 in.

Climate Data for Peoria Heights 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 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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