Marissa Illinois Climate Data

Monthly Average Climate Data for Marissa Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.9 °F40.2 °F2.74 in.
February26.4 °F45.4 °F2.5 in.
March34.8 °F55.5 °F3.57 in.
April45.2 °F67.3 °F4.97 in.
May56.0 °F76.3 °F5.17 in.
June64.8 °F85.2 °F4.64 in.
July68.3 °F88.4 °F4.22 in.
August66.2 °F87.3 °F3.3 in.
September57.6 °F80.9 °F3.23 in.
October46.1 °F69.8 °F3.16 in.
November35.7 °F55.5 °F3.9 in.
December27.1 °F44.3 °F3.01 in.
Annual45.9 °F66.3 °F44.41 in.

Climate Data for Marissa Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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