Average First Frost Dates for Wisconsin

About First Frost Dates in Wisconsin

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

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Interactive Map of Average First Frost Dates for Wisconsin

Click on the map for more information. Click on the icon in the lower right to view the map legend. Add additional data layers using the icon in the upper right corner.

List of Average First Frost Dates for Locations in Wisconsin

LocationAverage First Frost Dates
AppletonOctober 1 - 10
AshwaubenonOctober 1 - 10
Beaver DamOctober 1 - 10
BellevueOctober 1 - 10
BeloitOctober 11 - 20
BrookfieldOctober 11 - 20
CaledoniaOctober 21 - 31
CudahyOctober 21 - 31
De PereOctober 1 - 10
Eau ClaireOctober 1 - 10
FitchburgOctober 1 - 10
Fond du LacOctober 11 - 20
Fox CrossingOctober 1 - 10
FranklinOctober 21 - 31
GeneseeOctober 1 - 10
GermantownOctober 1 - 10
Green BayOctober 1 - 10
GreenfieldOctober 11 - 20
GreenvilleOctober 1 - 10
HartfordOctober 1 - 10
HowardOctober 1 - 10
JanesvilleOctober 11 - 20
KaukaunaOctober 1 - 10
KenoshaOctober 21 - 31
La CrosseOctober 11 - 20
Little SuamicoOctober 1 - 10
MadisonOctober 1 - 10
ManitowocOctober 11 - 20
MarshfieldOctober 1 - 10
MenashaOctober 1 - 10
Menomonee FallsOctober 1 - 10
MiddletonOctober 1 - 10
MilwaukeeOctober 21 - 31
Mount PleasantOctober 21 - 31
MuskegoOctober 11 - 20
NeenahOctober 1 - 10
New BerlinOctober 11 - 20
Oak CreekOctober 21 - 31
OconomowocOctober 11 - 20
OnalaskaOctober 11 - 20
OshkoshOctober 11 - 20
Pleasant PrairieOctober 21 - 31
RacineOctober 21 - 31
River FallsOctober 1 - 10
SheboyganOctober 11 - 20
South MilwaukeeOctober 21 - 31
Stevens PointOctober 1 - 10
Sun PrairieOctober 1 - 10
SuperiorOctober 1 - 10
VernonOctober 11 - 20
WatertownOctober 11 - 20
WaukeshaOctober 11 - 20
WausauOctober 1 - 10
WauwatosaOctober 11 - 20
West AllisOctober 11 - 20
West BendOctober 1 - 10
WestonOctober 1 - 10
Wisconsin RapidsOctober 1 - 10

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