Long Point Illinois Climate Data

Monthly Average Climate Data for Long Point Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F31.9 °F2.05 in.
February19.3 °F36.4 °F1.86 in.
March28.9 °F48.8 °F2.6 in.
April39.4 °F62.2 °F3.63 in.
May51.2 °F73.1 °F4.61 in.
June60.8 °F81.8 °F4.33 in.
July64.3 °F84.7 °F3.94 in.
August62.2 °F82.9 °F3.64 in.
September54.0 °F77.7 °F3.45 in.
October42.5 °F65.3 °F3.05 in.
November31.6 °F49.7 °F2.65 in.
December21.7 °F37.1 °F2.1 in.
Annual41 °F61 °F37.91 in.

Climate Data for Long Point Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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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