Coffeen Illinois Climate Data

Monthly Average Climate Data for Coffeen Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.6 °F36.4 °F2.79 in.
February24.4 °F41.8 °F2.28 in.
March33.2 °F52.8 °F3.12 in.
April43.5 °F65.8 °F4.86 in.
May54.4 °F75.7 °F5.06 in.
June63.2 °F84.3 °F4.44 in.
July66.5 °F87.3 °F3.92 in.
August64.1 °F86.1 °F3.3 in.
September56.0 °F80.4 °F3.07 in.
October44.6 °F68.3 °F3.33 in.
November34.7 °F53.1 °F3.51 in.
December25.8 °F41.3 °F2.6 in.
Annual44.3 °F64.4 °F42.28 in.

Climate Data for Coffeen 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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