Average Last Frost Dates for Idaho

About Last Frost Dates in Idaho

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

Map List Related Pages

Interactive Map of Average Last Frost Dates for Idaho

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 Last Frost Dates for Locations in Idaho

LocationAverage Last Frost Dates
AmmonJune 1 - 10
BlackfootMay 21 - 31
BoiseMay 1 - 10
BurleyMay 11 - 20
CaldwellMay 1 - 10
ChubbuckJune 1 - 10
Coeur d'AleneMay 11 - 20
EagleMay 1 - 10
EmmettMay 11 - 20
FruitlandMay 1 - 10
Garden CityMay 1 - 10
HaileyJune 1 - 10
HaydenMay 11 - 20
Idaho FallsJune 1 - 10
JeromeMay 21 - 31
KunaMay 1 - 10
LewistonApril 11 - 20
MeridianMay 1 - 10
MiddletonMay 11 - 20
MoscowMay 21 - 31
Mountain HomeMay 1 - 10
NampaMay 1 - 10
PayetteMay 1 - 10
PocatelloMay 21 - 31
Post FallsMay 1 - 10
PrestonMay 21 - 31
RathdrumMay 1 - 10
RexburgMay 21 - 31
RigbyJune 1 - 10
RupertMay 11 - 20
SandpointApril 21 - 30
StarMay 1 - 10
Twin FallsMay 11 - 20
WeiserApril 21 - 30

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