Plymouth Wisconsin Climate Data

Monthly Average Climate Data for Plymouth Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.8 °F26.5 °F1.63 in.
February14.0 °F29.9 °F1.44 in.
March23.8 °F40.9 °F1.97 in.
April34.5 °F53.2 °F3.58 in.
May45.7 °F65.2 °F3.95 in.
June55.8 °F75.5 °F3.99 in.
July60.7 °F80.6 °F3.62 in.
August59.3 °F78.6 °F3.59 in.
September51.2 °F71.9 °F2.81 in.
October39.9 °F58.4 °F2.95 in.
November28.8 °F44.4 °F2.08 in.
December18.5 °F32.2 °F1.83 in.
Annual37 °F54.8 °F33.44 in.

Climate Data for Plymouth Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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