Newark Illinois Climate Data

Monthly Average Climate Data for Newark Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F30.6 °F1.79 in.
February18.0 °F34.8 °F1.73 in.
March27.7 °F46.9 °F2.32 in.
April38.3 °F60.1 °F3.64 in.
May49.8 °F71.4 °F4.6 in.
June59.7 °F80.6 °F4.64 in.
July63.4 °F83.7 °F3.9 in.
August61.5 °F81.8 °F3.86 in.
September53.4 °F76.5 °F3.42 in.
October41.5 °F63.4 °F3.2 in.
November30.8 °F48.6 °F2.52 in.
December20.7 °F35.9 °F2.11 in.
Annual40 °F59.5 °F37.73 in.

Climate Data for Newark 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 : -15°F to -10°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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