Seaton Illinois Climate Data

Monthly Average Climate Data for Seaton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.1 °F31.2 °F1.54 in.
February18.5 °F35.7 °F1.79 in.
March29.2 °F48.6 °F2.47 in.
April40.1 °F61.8 °F3.72 in.
May52.0 °F72.6 °F4.88 in.
June61.7 °F81.9 °F4.72 in.
July65.3 °F85.2 °F3.93 in.
August62.9 °F83.3 °F3.85 in.
September54.8 °F77.2 °F3.64 in.
October42.9 °F64.3 °F2.82 in.
November31.2 °F49.4 °F2.3 in.
December21.1 °F36.5 °F1.92 in.
Annual41.2 °F60.6 °F37.58 in.

Climate Data for Seaton Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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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