Atkinson Illinois Climate Data

Monthly Average Climate Data for Atkinson Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.4 °F30.2 °F1.72 in.
February17.9 °F34.8 °F1.87 in.
March28.4 °F47.7 °F2.47 in.
April39.3 °F61.2 °F3.79 in.
May51.2 °F72.4 °F4.92 in.
June61.2 °F81.6 °F4.73 in.
July64.6 °F84.6 °F4.12 in.
August62.5 °F82.8 °F4.01 in.
September54.1 °F76.8 °F3.59 in.
October42.5 °F63.9 °F2.97 in.
November30.7 °F48.6 °F2.47 in.
December20.4 °F35.7 °F2.06 in.
Annual40.6 °F60 °F38.72 in.

Climate Data for Atkinson Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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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