Opdyke Illinois Climate Data

Monthly Average Climate Data for Opdyke Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F39.1 °F3.08 in.
February25.6 °F44.0 °F2.75 in.
March34.2 °F54.2 °F3.86 in.
April44.4 °F65.8 °F4.96 in.
May55.2 °F74.9 °F5.13 in.
June63.9 °F83.9 °F4.7 in.
July67.3 °F87.0 °F4.11 in.
August64.9 °F86.2 °F3.27 in.
September56.7 °F80.1 °F3.22 in.
October45.2 °F68.5 °F3.38 in.
November35.0 °F54.5 °F4.0 in.
December26.9 °F43.3 °F3.06 in.
Annual45.2 °F65.1 °F45.52 in.

Climate Data for Opdyke Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 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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