Cottage Grove Wisconsin Climate Data

Monthly Average Climate Data for Cottage Grove Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.8 °F26.9 °F1.51 in.
February13.9 °F30.9 °F1.62 in.
March24.5 °F43.1 °F2.09 in.
April35.9 °F56.7 °F3.67 in.
May47.7 °F68.9 °F4.56 in.
June57.5 °F78.3 °F5.43 in.
July61.9 °F82.1 °F4.37 in.
August60.0 °F80.3 °F4.09 in.
September51.4 °F73.3 °F3.45 in.
October39.6 °F59.9 °F2.83 in.
November28.5 °F45.2 °F2.21 in.
December17.8 °F32.5 °F1.75 in.
Annual37.5 °F56.5 °F37.58 in.

Climate Data for Cottage Grove Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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