Berlin Illinois Climate Data

Monthly Average Climate Data for Berlin Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.9 °F35.2 °F2.1 in.
February22.3 °F40.3 °F1.9 in.
March31.5 °F51.8 °F2.74 in.
April42.1 °F64.5 °F4.09 in.
May53.7 °F74.3 °F4.68 in.
June62.9 °F82.7 °F4.63 in.
July66.0 °F85.6 °F3.83 in.
August63.8 °F84.6 °F3.38 in.
September55.4 °F79.4 °F3.34 in.
October43.9 °F67.0 °F3.12 in.
November33.2 °F52.3 °F2.99 in.
December24.2 °F40.4 °F2.19 in.
Annual43.2 °F63.2 °F38.99 in.

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