Fithian Illinois Climate Data

Monthly Average Climate Data for Fithian Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.0 °F33.8 °F2.41 in.
February21.1 °F38.4 °F2.13 in.
March30.3 °F50.1 °F2.86 in.
April40.9 °F63.5 °F4.06 in.
May52.5 °F73.8 °F4.53 in.
June61.6 °F82.0 °F4.79 in.
July64.2 °F84.2 °F4.21 in.
August61.9 °F82.9 °F3.2 in.
September54.6 °F78.2 °F3.27 in.
October43.0 °F65.8 °F3.39 in.
November32.4 °F51.2 °F3.27 in.
December23.6 °F38.6 °F2.45 in.
Annual42 °F61.9 °F40.57 in.

Climate Data for Fithian 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 6a : -10°F to -5°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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