Herrick Illinois Climate Data

Monthly Average Climate Data for Herrick Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.1 °F36.3 °F2.75 in.
February23.7 °F41.5 °F2.25 in.
March32.6 °F52.4 °F3.08 in.
April42.9 °F65.1 °F4.64 in.
May53.9 °F75.0 °F4.8 in.
June62.8 °F83.7 °F4.69 in.
July65.8 °F86.8 °F4.02 in.
August63.3 °F85.7 °F3.26 in.
September55.1 °F80.3 °F3.16 in.
October43.6 °F67.9 °F3.48 in.
November33.6 °F52.9 °F3.56 in.
December25.3 °F41.2 °F2.64 in.
Annual43.6 °F64.1 °F42.33 in.

Climate Data for Herrick 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 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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