Average Last Frost Dates for Montana

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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 Montana

LocationAverage Last Frost Dates
AnacondaJun. 11 - Jun. 20
BelgradeJun. 21 - Jun. 30
BigforkJun. 1 - Jun. 10
BillingsMay 21 - May 31
BozemanJun. 11 - Jun. 20
ButteJul. 1 - Jul. 10
Columbia FallsJun. 11 - Jun. 20
EvergreenJun. 1 - Jun. 10
Four CornersJun. 11 - Jun. 20
Great FallsJun. 1 - Jun. 10
HavreJun. 1 - Jun. 10
HelenaJun. 1 - Jun. 10
KalispellJun. 11 - Jun. 20
LaurelMay 21 - May 31
LewistownJun. 1 - Jun. 10
LivingstonJun. 1 - Jun. 10
LockwoodMay 21 - May 31
Miles CityMay 21 - May 31
MissoulaJun. 1 - Jun. 10
Orchard HomesJun. 1 - Jun. 10
PolsonJun. 1 - Jun. 10
SidneyJun. 1 - Jun. 10
WhitefishJun. 11 - Jun. 20

Maps for Neighboring Areas

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