Hainesville Illinois Climate Data

Monthly Average Climate Data for Hainesville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F29.6 °F1.92 in.
February17.1 °F33.4 °F1.96 in.
March26.5 °F44.5 °F2.29 in.
April36.8 °F57.0 °F3.89 in.
May47.7 °F68.4 °F4.48 in.
June57.8 °F78.3 °F4.6 in.
July62.7 °F82.6 °F3.81 in.
August61.3 °F80.9 °F3.77 in.
September53.5 °F74.0 °F3.55 in.
October41.9 °F61.1 °F3.2 in.
November30.8 °F47.0 °F2.42 in.
December20.5 °F34.9 °F2.14 in.
Annual39.2 °F57.6 °F38.03 in.

Climate Data for Hainesville Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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