Ashmore Illinois Climate Data

Monthly Average Climate Data for Ashmore Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F35.5 °F2.75 in.
February22.7 °F40.3 °F2.35 in.
March31.7 °F51.6 °F3.07 in.
April42.5 °F64.7 °F4.78 in.
May53.8 °F74.6 °F4.52 in.
June62.7 °F83.0 °F4.85 in.
July65.3 °F86.2 °F4.22 in.
August63.2 °F85.0 °F2.94 in.
September55.6 °F79.6 °F3.1 in.
October44.3 °F67.2 °F3.59 in.
November33.7 °F52.3 °F3.64 in.
December25.2 °F40.2 °F2.78 in.
Annual43.4 °F63.4 °F42.59 in.

Climate Data for Ashmore Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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