Maroa Illinois Climate Data

Monthly Average Climate Data for Maroa Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.7 °F34.0 °F2.29 in.
February20.6 °F39.0 °F2.03 in.
March29.8 °F50.2 °F2.77 in.
April40.7 °F63.9 °F4.03 in.
May52.4 °F73.9 °F4.53 in.
June61.3 °F83.0 °F4.57 in.
July64.5 °F85.7 °F4.06 in.
August62.4 °F83.7 °F3.31 in.
September54.3 °F78.9 °F3.13 in.
October42.7 °F66.1 °F3.38 in.
November31.7 °F51.2 °F3.04 in.
December23.4 °F38.8 °F2.43 in.
Annual41.8 °F62.4 °F39.57 in.

Climate Data for Maroa Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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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