French Island Wisconsin Climate Data

Monthly Average Climate Data for French Island Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.2 °F26.5 °F1.18 in.
February13.7 °F31.2 °F1.18 in.
March25.2 °F43.4 °F2.02 in.
April37.8 °F57.8 °F4.0 in.
May49.5 °F70.3 °F4.8 in.
June59.9 °F79.8 °F5.22 in.
July64.0 °F83.4 °F4.25 in.
August61.9 °F81.5 °F4.1 in.
September53.7 °F74.0 °F3.78 in.
October41.3 °F60.4 °F2.81 in.
November29.4 °F44.7 °F1.92 in.
December17.4 °F31.6 °F1.48 in.
Annual38.7 °F57.1 °F36.74 in.

Climate Data for French Island Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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