French Island Wisconsin Climate Data

Monthly Average Climate Data for French Island Wisconsin

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.1 °C-3.1 °C29.97 mm
February-10.2 °C-0.4 °C29.97 mm
March-3.8 °C6.3 °C51.31 mm
April3.2 °C14.3 °C101.6 mm
May9.7 °C21.3 °C121.92 mm
June15.5 °C26.6 °C132.59 mm
July17.8 °C28.6 °C107.95 mm
August16.6 °C27.5 °C104.14 mm
September12.1 °C23.3 °C96.01 mm
October5.2 °C15.8 °C71.37 mm
November-1.4 °C7.1 °C48.77 mm
December-8.1 °C-0.2 °C37.59 mm
Annual3.7 °C13.9 °C933.19 mm

Climate Data for French Island 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 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com