Stewardson Illinois Climate Data

Monthly Average Climate Data for Stewardson Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.3 °F36.4 °F2.74 in.
February23.4 °F41.2 °F2.3 in.
March32.4 °F52.3 °F3.09 in.
April42.9 °F65.0 °F4.7 in.
May54.0 °F75.0 °F4.73 in.
June62.9 °F83.8 °F4.83 in.
July65.8 °F86.9 °F4.19 in.
August63.5 °F85.7 °F3.03 in.
September55.6 °F80.4 °F3.03 in.
October44.4 °F68.0 °F3.47 in.
November33.8 °F52.9 °F3.6 in.
December25.6 °F41.1 °F2.74 in.
Annual43.7 °F64.1 °F42.45 in.

Climate Data for Stewardson Illinois

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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