Germantown Illinois Climate Data

Monthly Average Climate Data for Germantown Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.3 °F39.4 °F2.7 in.
February25.5 °F44.5 °F2.28 in.
March34.8 °F55.0 °F3.23 in.
April45.3 °F67.0 °F4.64 in.
May56.1 °F76.1 °F4.79 in.
June64.9 °F85.0 °F4.7 in.
July68.3 °F88.3 °F3.85 in.
August66.1 °F87.4 °F3.09 in.
September57.6 °F80.5 °F3.2 in.
October46.1 °F68.9 °F3.04 in.
November35.5 °F55.0 °F3.62 in.
December26.8 °F43.8 °F2.72 in.
Annual45.8 °F65.9 °F41.86 in.

Climate Data for Germantown Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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