Waukesha Wisconsin Climate Data

Monthly Average Climate Data for Waukesha Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.4 °F28.1 °F1.71 in.
February15.3 °F31.8 °F1.6 in.
March24.6 °F42.9 °F1.99 in.
April35.4 °F55.3 °F3.75 in.
May46.3 °F67.2 °F4.14 in.
June56.2 °F77.2 °F4.85 in.
July61.3 °F81.7 °F3.99 in.
August59.7 °F80.1 °F3.92 in.
September51.5 °F73.1 °F3.17 in.
October40.2 °F60.1 °F2.85 in.
November29.3 °F45.8 °F2.09 in.
December18.9 °F33.5 °F1.96 in.
Annual37.6 °F56.4 °F36.02 in.

Climate Data for Waukesha Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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