Bishop Hill Illinois Climate Data

Monthly Average Climate Data for Bishop Hill Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.7 °F30.1 °F1.71 in.
February17.1 °F34.7 °F1.92 in.
March27.5 °F47.9 °F2.42 in.
April38.3 °F61.1 °F3.94 in.
May50.5 °F72.2 °F4.98 in.
June60.4 °F80.9 °F4.76 in.
July63.6 °F83.8 °F4.02 in.
August61.4 °F82.3 °F3.72 in.
September53.0 °F76.5 °F3.81 in.
October41.5 °F63.8 °F2.85 in.
November29.8 °F48.5 °F2.49 in.
December19.6 °F35.7 °F2.09 in.
Annual39.7 °F59.8 °F38.71 in.

Climate Data for Bishop Hill Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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