Marengo Wisconsin Climate Data

Monthly Average Climate Data for Marengo Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.9 °F22.1 °F1.37 in.
February7.1 °F26.6 °F1.11 in.
March17.3 °F37.2 °F1.65 in.
April29.3 °F49.4 °F2.89 in.
May39.9 °F63.5 °F3.69 in.
June50.4 °F72.9 °F3.95 in.
July56.4 °F78.2 °F4.35 in.
August55.0 °F76.9 °F3.47 in.
September47.7 °F69.2 °F3.32 in.
October35.9 °F54.8 °F3.21 in.
November25.2 °F40.4 °F1.83 in.
December12.9 °F27.3 °F1.62 in.
Annual31.8 °F51.5 °F32.46 in.

Climate Data for Marengo Wisconsin

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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