Average Last Frost Dates for Wisconsin

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Last Frost Dates were calculated using daily climate data from the period between 1991-2020.

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List of Average Last Frost Dates for Locations in Wisconsin

LocationAverage Last Frost Dates
AppletonJun. 1 - Jun. 10
AshwaubenonMay 21 - May 31
Beaver DamMay 21 - May 31
BellevueMay 21 - May 31
BeloitMay 11 - May 20
BrookfieldMay 11 - May 20
CaledoniaMay 11 - May 20
CudahyMay 11 - May 20
De PereMay 21 - May 31
Eau ClaireMay 21 - May 31
FitchburgMay 21 - May 31
Fond du LacMay 11 - May 20
Fox CrossingMay 21 - May 31
FranklinMay 11 - May 20
GeneseeMay 21 - May 31
GermantownMay 21 - May 31
Green BayMay 21 - May 31
GreenfieldMay 11 - May 20
GreenvilleMay 21 - May 31
HartfordMay 21 - May 31
HowardMay 21 - May 31
JanesvilleMay 11 - May 20
KaukaunaMay 21 - May 31
KenoshaMay 11 - May 20
La CrosseMay 11 - May 20
Little SuamicoMay 21 - May 31
MadisonMay 21 - May 31
ManitowocMay 11 - May 20
MarshfieldMay 21 - May 31
MenashaMay 21 - May 31
Menomonee FallsMay 21 - May 31
MiddletonMay 11 - May 20
MilwaukeeMay 11 - May 20
Mount PleasantMay 1 - May 10
MuskegoMay 11 - May 20
NeenahMay 21 - May 31
New BerlinMay 11 - May 20
Oak CreekMay 11 - May 20
OconomowocMay 21 - May 31
OnalaskaMay 11 - May 20
OshkoshMay 11 - May 20
Pleasant PrairieMay 11 - May 20
RacineMay 1 - May 10
River FallsMay 21 - May 31
SheboyganMay 11 - May 20
South MilwaukeeMay 11 - May 20
Stevens PointMay 21 - May 31
Sun PrairieMay 21 - May 31
SuperiorMay 21 - May 31
VernonMay 11 - May 20
WatertownMay 11 - May 20
WaukeshaMay 11 - May 20
WausauMay 21 - May 31
WauwatosaMay 11 - May 20
West AllisMay 11 - May 20
West BendMay 21 - May 31
WestonMay 21 - May 31
Wisconsin RapidsMay 21 - May 31
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