Peru Illinois Climate Data

Monthly Average Climate Data for Peru Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.6 °F31.6 °F1.73 in.
February19.3 °F36.1 °F1.71 in.
March28.8 °F48.6 °F2.36 in.
April39.3 °F62.0 °F3.46 in.
May50.6 °F73.1 °F4.56 in.
June60.4 °F82.0 °F4.28 in.
July64.0 °F84.8 °F3.83 in.
August62.1 °F83.1 °F3.62 in.
September54.1 °F77.6 °F3.34 in.
October42.5 °F65.0 °F2.98 in.
November31.6 °F49.8 °F2.45 in.
December21.5 °F36.9 °F1.96 in.
Annual40.8 °F60.9 °F36.28 in.

Climate Data for Peru Illinois

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