Marissa Illinois Climate Data

Monthly Average Climate Data for Marissa Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C4.6 °C69.6 mm
February-3.1 °C7.4 °C63.5 mm
March1.6 °C13.1 °C90.68 mm
April7.3 °C19.6 °C126.24 mm
May13.3 °C24.6 °C131.32 mm
June18.2 °C29.6 °C117.86 mm
July20.2 °C31.3 °C107.19 mm
August19 °C30.7 °C83.82 mm
September14.2 °C27.2 °C82.04 mm
October7.8 °C21 °C80.26 mm
November2.1 °C13.1 °C99.06 mm
December-2.7 °C6.8 °C76.45 mm
Annual7.7 °C19.1 °C1128.02 mm

Climate Data for Marissa Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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