Limestone Illinois Climate Data

Monthly Average Climate Data for Limestone Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.1 °F32.0 °F2.16 in.
February19.3 °F36.4 °F1.86 in.
March28.6 °F48.2 °F2.37 in.
April38.9 °F61.3 °F3.74 in.
May50.3 °F72.4 °F4.53 in.
June60.3 °F81.6 °F4.72 in.
July63.9 °F84.5 °F4.48 in.
August61.9 °F83.0 °F3.83 in.
September53.6 °F77.6 °F3.16 in.
October42.1 °F64.7 °F3.29 in.
November31.7 °F49.9 °F2.62 in.
December21.9 °F37.3 °F2.15 in.
Annual40.7 °F60.7 °F38.91 in.

Climate Data for Limestone 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 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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