Average First Frost Dates for Wisconsin

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

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List of Average First Frost Dates for Locations in Wisconsin

LocationAverage First Frost Dates
AppletonOct. 1 - Oct. 10
AshwaubenonOct. 1 - Oct. 10
Beaver DamOct. 1 - Oct. 10
BellevueOct. 1 - Oct. 10
BeloitOct. 11 - Oct. 20
BrookfieldOct. 11 - Oct. 20
CaledoniaOct. 21 - Oct. 31
CudahyOct. 21 - Oct. 31
De PereOct. 1 - Oct. 10
Eau ClaireOct. 1 - Oct. 10
FitchburgOct. 1 - Oct. 10
Fond du LacOct. 11 - Oct. 20
Fox CrossingOct. 1 - Oct. 10
FranklinOct. 11 - Oct. 20
GeneseeOct. 11 - Oct. 20
GermantownOct. 1 - Oct. 10
Green BayOct. 1 - Oct. 10
GreenfieldOct. 11 - Oct. 20
GreenvilleOct. 1 - Oct. 10
HartfordOct. 1 - Oct. 10
HowardOct. 1 - Oct. 10
JanesvilleOct. 11 - Oct. 20
KaukaunaOct. 1 - Oct. 10
KenoshaOct. 21 - Oct. 31
La CrosseOct. 11 - Oct. 20
Little SuamicoOct. 1 - Oct. 10
MadisonOct. 1 - Oct. 10
ManitowocOct. 11 - Oct. 20
MarshfieldOct. 1 - Oct. 10
MenashaOct. 1 - Oct. 10
Menomonee FallsOct. 1 - Oct. 10
MiddletonOct. 11 - Oct. 20
MilwaukeeOct. 21 - Oct. 31
Mount PleasantOct. 21 - Oct. 31
MuskegoOct. 11 - Oct. 20
NeenahOct. 1 - Oct. 10
New BerlinOct. 11 - Oct. 20
Oak CreekOct. 21 - Oct. 31
OconomowocOct. 1 - Oct. 10
OnalaskaOct. 11 - Oct. 20
OshkoshOct. 11 - Oct. 20
Pleasant PrairieOct. 21 - Oct. 31
RacineOct. 21 - Oct. 31
River FallsSep. 21 - Sep. 30
SheboyganOct. 11 - Oct. 20
South MilwaukeeOct. 21 - Oct. 31
Stevens PointOct. 1 - Oct. 10
Sun PrairieOct. 1 - Oct. 10
SuperiorOct. 1 - Oct. 10
VernonOct. 11 - Oct. 20
WatertownOct. 11 - Oct. 20
WaukeshaOct. 11 - Oct. 20
WausauOct. 1 - Oct. 10
WauwatosaOct. 11 - Oct. 20
West AllisOct. 11 - Oct. 20
West BendOct. 1 - Oct. 10
WestonOct. 1 - Oct. 10
Wisconsin RapidsOct. 1 - Oct. 10

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