Stonefort Illinois Climate Data

Monthly Average Climate Data for Stonefort Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.4 °F41.5 °F3.85 in.
February27.3 °F46.3 °F3.37 in.
March35.5 °F56.1 °F4.68 in.
April45.4 °F68.0 °F5.67 in.
May55.9 °F76.4 °F5.53 in.
June64.2 °F84.6 °F4.73 in.
July67.8 °F87.6 °F3.91 in.
August65.4 °F87.1 °F2.98 in.
September57.6 °F81.4 °F3.36 in.
October45.8 °F70.5 °F3.68 in.
November35.7 °F56.7 °F4.39 in.
December28.0 °F45.5 °F4.13 in.
Annual46.1 °F66.8 °F50.28 in.

Climate Data for Stonefort Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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