Average Last Frost Dates for Oregon

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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 Oregon

LocationAverage Last Frost Dates
AlbanyApr. 21 - Apr. 30
AlohaMar. 21 - Mar. 31
AltamontJun. 11 - Jun. 20
AshlandMay 11 - May 20
BeavertonMar. 21 - Mar. 31
BendJun. 11 - Jun. 20
BrookingsFeb. 1 - Feb. 10
CanbyMar. 21 - Mar. 31
Cedar MillMar. 21 - Mar. 31
Central PointApr. 21 - Apr. 30
Coos BayMar. 1 - Mar. 10
CorvallisApr. 21 - Apr. 30
DallasApr. 21 - Apr. 30
EugeneApr. 21 - Apr. 30
Forest GroveApr. 21 - Apr. 30
Four CornersApr. 21 - Apr. 30
Grants PassApr. 21 - Apr. 30
GreshamApr. 1 - Apr. 10
Happy ValleyApr. 1 - Apr. 10
HayesvilleApr. 21 - Apr. 30
HermistonApr. 11 - Apr. 20
HillsboroApr. 11 - Apr. 20
KeizerApr. 21 - Apr. 30
Klamath FallsJun. 11 - Jun. 20
Lake OswegoMar. 11 - Mar. 20
LebanonApr. 11 - Apr. 20
McMinnvilleApr. 11 - Apr. 20
MedfordApr. 21 - Apr. 30
MilwaukieMar. 11 - Mar. 20
NewbergApr. 1 - Apr. 10
Oak GroveMar. 11 - Mar. 20
Oregon CityMar. 21 - Mar. 31
PendletonApr. 21 - Apr. 30
PortlandMar. 1 - Mar. 10
RedmondJun. 11 - Jun. 20
RoseburgMar. 21 - Mar. 31
SalemApr. 21 - Apr. 30
SherwoodMar. 21 - Mar. 31
SpringfieldApr. 11 - Apr. 20
The DallesApr. 21 - Apr. 30
TigardMar. 11 - Mar. 20
TroutdaleApr. 1 - Apr. 10
TualatinMar. 21 - Mar. 31
West LinnMar. 11 - Mar. 20
White CityApr. 21 - Apr. 30
WilsonvilleMar. 21 - Mar. 31
WoodburnApr. 1 - Apr. 10

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