Serena Illinois Climate Data

Monthly Average Climate Data for Serena Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F30.8 °F1.87 in.
February18.2 °F35.0 °F1.8 in.
March27.8 °F47.3 °F2.39 in.
April38.4 °F60.6 °F3.61 in.
May50.1 °F71.9 °F4.67 in.
June60.0 °F81.0 °F4.61 in.
July63.4 °F83.9 °F3.96 in.
August61.3 °F82.0 °F3.88 in.
September53.5 °F76.8 °F3.41 in.
October41.7 °F63.8 °F3.16 in.
November30.8 °F48.9 °F2.56 in.
December20.7 °F36.0 °F2.07 in.
Annual40.1 °F59.8 °F37.99 in.

Climate Data for Serena Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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