Dellwood Wisconsin Climate Data

Monthly Average Climate Data for Dellwood Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.8 °F25.7 °F1.22 in.
February9.9 °F30.5 °F1.15 in.
March20.9 °F42.6 °F1.78 in.
April32.9 °F56.7 °F3.46 in.
May45.4 °F69.2 °F4.17 in.
June55.4 °F78.6 °F5.04 in.
July59.3 °F82.5 °F4.52 in.
August56.8 °F80.2 °F4.19 in.
September48.7 °F72.8 °F3.54 in.
October36.9 °F59.3 °F2.68 in.
November25.4 °F43.8 °F1.84 in.
December14.3 °F31.0 °F1.53 in.
Annual34.4 °F56.1 °F35.12 in.

Climate Data for Dellwood Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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