Serena Illinois Climate Data

Monthly Average Climate Data for Serena Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.5 °C-0.7 °C47.5 mm
February-7.7 °C1.7 °C45.72 mm
March-2.3 °C8.5 °C60.71 mm
April3.6 °C15.9 °C91.69 mm
May10.1 °C22.2 °C118.62 mm
June15.6 °C27.2 °C117.09 mm
July17.4 °C28.8 °C100.58 mm
August16.3 °C27.8 °C98.55 mm
September11.9 °C24.9 °C86.61 mm
October5.4 °C17.7 °C80.26 mm
November-0.7 °C9.4 °C65.02 mm
December-6.3 °C2.2 °C52.58 mm
Annual4.5 °C15.5 °C964.93 mm

Climate Data for Serena 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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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