Millstadt Illinois Climate Data

Monthly Average Climate Data for Millstadt Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.9 °F40.3 °F2.78 in.
February27.3 °F45.7 °F2.44 in.
March36.1 °F55.8 °F3.6 in.
April46.7 °F67.8 °F4.9 in.
May57.4 °F76.5 °F5.17 in.
June66.1 °F85.4 °F4.91 in.
July70.0 °F88.5 °F4.3 in.
August68.1 °F87.3 °F3.66 in.
September60.1 °F80.8 °F3.37 in.
October49.0 °F69.2 °F3.25 in.
November37.3 °F55.3 °F3.69 in.
December28.7 °F44.6 °F2.89 in.
Annual47.6 °F66.4 °F44.96 in.

Climate Data for Millstadt Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 1 - Apr. 10
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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