Port Washington Wisconsin Climate Data

Monthly Average Climate Data for Port Washington Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.5 °F28.9 °F1.77 in.
February16.9 °F32.1 °F1.4 in.
March25.8 °F41.3 °F1.81 in.
April35.6 °F51.8 °F3.64 in.
May45.8 °F63.1 °F3.87 in.
June55.9 °F73.2 °F3.92 in.
July62.0 °F79.2 °F3.79 in.
August61.4 °F78.1 °F4.02 in.
September54.0 °F71.1 °F3.0 in.
October42.5 °F58.6 °F2.65 in.
November31.0 °F45.9 °F2.17 in.
December20.8 °F34.5 °F1.8 in.
Annual38.9 °F54.8 °F33.84 in.

Climate Data for Port Washington Wisconsin

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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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