Stronghurst Illinois Climate Data

Monthly Average Climate Data for Stronghurst Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.5 °F32.3 °F1.63 in.
February19.2 °F37.0 °F1.85 in.
March29.6 °F49.5 °F2.47 in.
April40.4 °F62.4 °F3.83 in.
May52.3 °F72.9 °F5.13 in.
June62.0 °F82.1 °F4.8 in.
July65.3 °F85.3 °F4.04 in.
August63.1 °F83.7 °F3.7 in.
September54.8 °F77.8 °F3.71 in.
October43.1 °F65.2 °F2.98 in.
November31.4 °F50.1 °F2.5 in.
December21.5 °F37.5 °F1.91 in.
Annual41.5 °F61.3 °F38.55 in.

Climate Data for Stronghurst Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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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