Stoy Illinois Climate Data

Monthly Average Climate Data for Stoy Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.8 °F38.0 °F3.19 in.
February24.8 °F43.0 °F2.36 in.
March33.5 °F53.8 °F3.71 in.
April43.9 °F66.0 °F5.2 in.
May54.7 °F76.0 °F4.78 in.
June63.4 °F84.7 °F4.74 in.
July66.1 °F87.7 °F4.25 in.
August63.9 °F86.6 °F2.98 in.
September56.1 °F81.2 °F3.5 in.
October44.7 °F69.0 °F3.71 in.
November34.3 °F54.3 °F3.81 in.
December26.3 °F42.5 °F3.09 in.
Annual44.5 °F65.2 °F45.32 in.

Climate Data for Stoy 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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