Montana Average Last Frost Date Map

Zone 14
May 21 - May 31
Zone 15
Jun. 1 - Jun. 10
Zone 16
Jun. 11 - Jun. 20
Zone 17
Jun. 21 - Jun. 30
Zone 18
Jul. 1 - Jul. 10
Zone 19
Jul. 11 - Jul. 20
Zone 20
Jul. 21 - Jul. 31
Zone 21
Frost Year Round

Plantmaps has derived zones indicating the Interactive map of average annual Last frost dates for the state of Montana

Last Frost Date Maps for Neighboring States and Provinces

  • Idaho Interactive Average Last Frost Date Map
  • North Dakota Interactive Average Last Frost Date Map
  • South Dakota Interactive Average Last Frost Date Map
  • Wyoming Interactive Average Last Frost Date Map

Related Montana Maps:

  • Montana First Frost Date Map
  • Montana 1990 USDA Hardiness Zone Map
  • Montana 2012 USDA Hardiness Zone Map
  • Map of Montana Record High/Low Temperatures
  • Montana Interactive Drought Monitor Map
  • Montana Drought Index Map
  • Montana Ecoregions
  • Montana Heat Zones Map

List of Average Last Frost Dates for Cities in Montana

LocationAverage Last Frost Date
AbsarokeeJun. 11 - Jun. 20
ActonJun. 1 - Jun. 10
AgencyJun. 11 - Jun. 20
AlbertonJul. 1 - Jul. 10
AlderJul. 1 - Jul. 10
AlzadaJun. 11 - Jun. 20
AmsterdamJun. 21 - Jun. 30
AnacondaJun. 11 - Jun. 20
AngelaJun. 1 - Jun. 10
AntelopeJun. 1 - Jun. 10
ApgarJun. 21 - Jun. 30
ArleeJun. 11 - Jun. 20
AshlandJun. 11 - Jun. 20
AugustaJun. 11 - Jun. 20
AvonJul. 11 - Jul. 20
AzureJun. 1 - Jun. 10
BabbJul. 11 - Jul. 20
BainvilleJun. 1 - Jun. 10
BakerJun. 1 - Jun. 10
BallantineJun. 1 - Jun. 10
BannackJul. 1 - Jul. 10
BasinJul. 1 - Jul. 10
BataviaJun. 11 - Jun. 20
Bear DanceJun. 1 - Jun. 10
BearcreekJun. 21 - Jun. 30
Beaver CreekJun. 1 - Jun. 10
BelfryJun. 11 - Jun. 20
BelgradeJun. 21 - Jun. 30
BelknapJun. 11 - Jun. 20
BeltJun. 11 - Jun. 20
BenzienJun. 1 - Jun. 10
BiddleJun. 1 - Jun. 10
Big ArmJun. 1 - Jun. 10
Big Hole Natl BattlefieldFrost Year Round
Big SandyJun. 11 - Jun. 20
Big SkyFrost Year Round
Big Sky Ski And Summer ResortJul. 21 - Jul. 31
Big TimberJun. 11 - Jun. 20
BigforkJun. 11 - Jun. 20
BighornJun. 1 - Jun. 10
BillingsJun. 1 - Jun. 10
BirneyJun. 11 - Jun. 20
Birney Day SchoolJun. 11 - Jun. 20
Black EagleJun. 1 - Jun. 10
BloomfieldMay 21 - May 31
BoneauJun. 1 - Jun. 10
BonnerJun. 21 - Jun. 30
Bonner-West RiversideJun. 11 - Jun. 20
BoulderJun. 21 - Jun. 30
Box ElderJun. 11 - Jun. 20
BoydJun. 11 - Jun. 20
BoyesJun. 1 - Jun. 10
BozemanJun. 11 - Jun. 20
BradyJun. 11 - Jun. 20
BredetteJun. 1 - Jun. 10
BridgerJun. 1 - Jun. 10
Bridger Bowl Ski AreaFrost Year Round
BroadusJun. 1 - Jun. 10
BroadviewJun. 1 - Jun. 10
BrocktonJun. 1 - Jun. 10
BrockwayJun. 11 - Jun. 20
BrowningJun. 21 - Jun. 30
BrusettJun. 1 - Jun. 10
BuffaloJun. 21 - Jun. 30
BusbyJun. 11 - Jun. 20
ButteJul. 1 - Jul. 10
BynumJun. 21 - Jun. 30
CamasJun. 11 - Jun. 20
CameronJun. 21 - Jun. 30
Camp ThreeJun. 1 - Jun. 10
Canyon CreekJun. 21 - Jun. 30
CapitolJun. 11 - Jun. 20
CarbertJun. 11 - Jun. 20
CardwellJun. 21 - Jun. 30
CarltonJun. 11 - Jun. 20
CarterJun. 11 - Jun. 20
CascadeJun. 11 - Jun. 20
CharloJun. 1 - Jun. 10
Charlos HeightsJun. 11 - Jun. 20
ChesterJun. 21 - Jun. 30
ChinookJun. 1 - Jun. 10
ChoteauJun. 1 - Jun. 10
ChristinaJun. 11 - Jun. 20
ChurchillJun. 21 - Jun. 30
CircleJun. 1 - Jun. 10
ClancyJun. 11 - Jun. 20
ClintonJul. 11 - Jul. 20
Clyde ParkJun. 21 - Jun. 30
Coffee CreekJun. 21 - Jun. 30
CohagenJun. 11 - Jun. 20
ColstripJun. 1 - Jun. 10
Columbia FallsJun. 11 - Jun. 20
ColumbusJun. 11 - Jun. 20
CondonJun. 21 - Jun. 30
ConnerJun. 21 - Jun. 30
ConradJun. 11 - Jun. 20
ContentJun. 11 - Jun. 20
Cooke CityFrost Year Round
CoramJun. 11 - Jun. 20
CorvallisJun. 11 - Jun. 20
Corwin SpringsJun. 21 - Jun. 30
CraigJun. 1 - Jun. 10
CraneJun. 1 - Jun. 10
Crow AgencyJun. 1 - Jun. 10
CulbertsonJun. 11 - Jun. 20
CusterJun. 1 - Jun. 10
Cut BankJun. 11 - Jun. 20
DagmarJun. 1 - Jun. 10
DaleviewJun. 11 - Jun. 20
DarbyJun. 11 - Jun. 20
DaytonJun. 1 - Jun. 10
De BorgiaJul. 21 - Jul. 31
DeckerJun. 11 - Jun. 20
Deer LodgeJul. 21 - Jul. 31
DellJul. 11 - Jul. 20
DentonJul. 1 - Jul. 10
DillonJun. 21 - Jun. 30
Discovery Basin Ski AreaJul. 11 - Jul. 20
DivideJun. 21 - Jun. 30
DixonJun. 11 - Jun. 20
DodsonJun. 11 - Jun. 20
DooleyJun. 1 - Jun. 10
DrummondJul. 1 - Jul. 10
DupuyerJun. 21 - Jun. 30
DuttonJun. 11 - Jun. 20
East Glacier ParkJul. 21 - Jul. 31
East Glacier Park VillageJul. 21 - Jul. 31
East HelenaJun. 1 - Jun. 10
East MissoulaJun. 11 - Jun. 20
EdgarJun. 11 - Jun. 20
EkalakaJun. 11 - Jun. 20
ElkhornJun. 21 - Jun. 30
EllistonJul. 11 - Jul. 20
ElmoJun. 1 - Jun. 10
EmigrantJun. 11 - Jun. 20
EnnisJun. 21 - Jun. 30
EssexJul. 11 - Jul. 20
EthridgeJun. 11 - Jun. 20
EurekaJun. 11 - Jun. 20
EvaroJun. 11 - Jun. 20
EvergreenJun. 11 - Jun. 20
FairfieldJun. 11 - Jun. 20
FairviewJun. 1 - Jun. 10
FallonJun. 1 - Jun. 10
Finley PointJun. 1 - Jun. 10
FishtailJun. 11 - Jun. 20
FlaxvilleJun. 11 - Jun. 20
FlorenceJun. 11 - Jun. 20
FlowereeJun. 11 - Jun. 20
Forest GroveJun. 11 - Jun. 20
Forest Hill VillageJun. 11 - Jun. 20
ForsythJun. 1 - Jun. 10
Fort BelknapJun. 11 - Jun. 20
Fort Belknap AgencyJun. 11 - Jun. 20
Fort BentonJun. 11 - Jun. 20
Fort HarrisonJun. 11 - Jun. 20
Fort PeckMay 21 - May 31
Fort ShawJun. 11 - Jun. 20
Fort SmithMay 21 - May 31
FortineJun. 21 - Jun. 30
Four ButtesJun. 1 - Jun. 10
Four CornersJun. 21 - Jun. 30
Fox LakeJun. 1 - Jun. 10
FrazerJun. 1 - Jun. 10
FrenchtownJun. 11 - Jun. 20
FroidJun. 1 - Jun. 10
FrombergJun. 11 - Jun. 20
GalataJun. 11 - Jun. 20
Gallatin GatewayJun. 21 - Jun. 30
GardinerJun. 21 - Jun. 30
GarneillJun. 21 - Jun. 30
GarrisonJul. 11 - Jul. 20
GarryowenJun. 1 - Jun. 10
GeraldineJun. 11 - Jun. 20
GeyserJun. 21 - Jun. 30
Gibson FlatsJun. 1 - Jun. 10
GildfordJun. 11 - Jun. 20
Glacier Natl ParkJul. 1 - Jul. 10
GlasgowMay 21 - May 31
GlenJun. 21 - Jun. 30
GlendiveMay 21 - May 31
GlentanaJun. 11 - Jun. 20
Gold CreekJul. 11 - Jul. 20
GrantsdaleJun. 11 - Jun. 20
Grass RangeJun. 11 - Jun. 20
Great FallsJun. 1 - Jun. 10
Great Falls/Malmstrom AFBJun. 1 - Jun. 10
GreenoughJul. 21 - Jul. 31
GreycliffJun. 11 - Jun. 20
HallJul. 1 - Jul. 10
HamiltonJun. 11 - Jun. 20
HammondJun. 11 - Jun. 20
Happys InnJul. 11 - Jul. 20
HardinJun. 1 - Jun. 10
HarlemJun. 11 - Jun. 20
HarlowtonJun. 11 - Jun. 20
HarrisonJun. 21 - Jun. 30
HathawayJun. 1 - Jun. 10
HauganJul. 21 - Jul. 31
HavreJun. 1 - Jun. 10
Havre NorthJun. 1 - Jun. 10
HaysJun. 11 - Jun. 20
Heart ButteJun. 21 - Jun. 30
Hebgen LakeJul. 21 - Jul. 31
HelenaJun. 1 - Jun. 10
Helena Valley NortheastJun. 11 - Jun. 20
Helena Valley NorthwestJun. 11 - Jun. 20
Helena Valley SoutheastJun. 1 - Jun. 10
Helena Valley West CentralJun. 11 - Jun. 20
Helena West SideJun. 11 - Jun. 20
HelmvilleJul. 21 - Jul. 31
HeronJun. 21 - Jun. 30
HerronJun. 1 - Jun. 10
HighwoodJun. 11 - Jun. 20
HilgerJun. 11 - Jun. 20
HinghamJun. 11 - Jun. 20
HinsdaleMay 21 - May 31
HobsonJun. 11 - Jun. 20
HogelandJun. 11 - Jun. 20
HomesteadJun. 1 - Jun. 10
Hot SpringsJun. 11 - Jun. 20
Hot Springs Recreation AreaFrost Year Round
Hungry HorseJun. 11 - Jun. 20
HuntleyJun. 1 - Jun. 10
HusonJun. 21 - Jun. 30
HyshamJun. 1 - Jun. 10
IngomarJun. 1 - Jun. 10
InvernessJun. 11 - Jun. 20
IsmayJun. 1 - Jun. 10
JacksonFrost Year Round
JardineJun. 21 - Jun. 30
Jefferson CityJun. 21 - Jun. 30
JetteJun. 1 - Jun. 10
JolietJun. 11 - Jun. 20
JoplinJun. 11 - Jun. 20
JordanJun. 1 - Jun. 10
Judith GapJun. 21 - Jun. 30
KalispellJun. 1 - Jun. 10
KerrJun. 1 - Jun. 10
KevinJun. 11 - Jun. 20
Kicking HorseJun. 1 - Jun. 10
KilaJun. 11 - Jun. 20
King Arthur ParkJun. 21 - Jun. 30
Kings PointJun. 1 - Jun. 10
KinseyJun. 1 - Jun. 10
KirbyJul. 1 - Jul. 10
KleinJun. 1 - Jun. 10
Knife RiverJun. 1 - Jun. 10
KremlinJun. 11 - Jun. 20
Lake Mary RonanJun. 1 - Jun. 10
Lake McDonaldJun. 21 - Jun. 30
LakesideJun. 11 - Jun. 20
LakeviewJul. 21 - Jul. 31
LambertJun. 1 - Jun. 10
Lame DeerJun. 11 - Jun. 20
LanduskyJun. 11 - Jun. 20
LarslanJun. 11 - Jun. 20
LaurelJun. 1 - Jun. 10
LavinaJun. 11 - Jun. 20
LedgerJun. 11 - Jun. 20
LewistownJun. 11 - Jun. 20
Lewistown HeightsJun. 11 - Jun. 20
LibbyJun. 21 - Jun. 30
LimaJul. 11 - Jul. 20
LincolnJul. 21 - Jul. 31
LindisfarneJun. 1 - Jun. 10
LindsayJun. 1 - Jun. 10
LivingstonJun. 11 - Jun. 20
LloydJun. 1 - Jun. 10
LocateJun. 1 - Jun. 10
LockwoodJun. 1 - Jun. 10
Lodge GrassJun. 11 - Jun. 20
Lodge PoleJun. 11 - Jun. 20
LoganJun. 11 - Jun. 20
LoloJun. 11 - Jun. 20
Lolo Hot SpringsFrost Year Round
LomaJun. 1 - Jun. 10
LonepineJun. 11 - Jun. 20
LoringJun. 1 - Jun. 10
LothairJun. 11 - Jun. 20
LustreJun. 1 - Jun. 10
Malmstrom AFBJun. 1 - Jun. 10
MaltaJun. 1 - Jun. 10
ManhattanJun. 11 - Jun. 20
MarionJun. 21 - Jun. 30
MarshJun. 1 - Jun. 10
Martin CityJun. 11 - Jun. 20
MartinsdaleJul. 11 - Jul. 20
MarysvilleJun. 21 - Jun. 30
MaudlowJun. 21 - Jun. 30
MaxvilleJul. 11 - Jul. 20
McAllisterJun. 11 - Jun. 20
McCabeJun. 1 - Jun. 10
McLeodJun. 11 - Jun. 20
Medicine LakeJun. 1 - Jun. 10
MelroseJun. 21 - Jun. 30
MelstoneJun. 1 - Jun. 10
MelvilleJun. 21 - Jun. 30
MildredJun. 11 - Jun. 20
Miles CityMay 21 - May 31
MilltownJun. 11 - Jun. 20
MissoulaJun. 11 - Jun. 20
MizpahJun. 1 - Jun. 10
MoccasinJun. 11 - Jun. 20
MoltJun. 1 - Jun. 10
MonarchJul. 1 - Jul. 10
Montana CityJun. 11 - Jun. 20
MooreJun. 21 - Jun. 30
MosbyJun. 1 - Jun. 10
MuddyJun. 11 - Jun. 20
MusselshellJun. 1 - Jun. 10
NashuaMay 21 - May 31
NeihartJul. 1 - Jul. 10
NiaradaJun. 11 - Jun. 20
NorrisJul. 1 - Jul. 10
North BrowningJun. 21 - Jun. 30
Northwest Peak Scenic AreaJun. 11 - Jun. 20
NoxonJun. 21 - Jun. 30
NyeJul. 1 - Jul. 10
OilmontJun. 11 - Jun. 20
Old AgencyJun. 11 - Jun. 20
OliveJun. 11 - Jun. 20
OlneyJul. 21 - Jul. 31
OpheimJun. 21 - Jun. 30
Orchard HomesJun. 11 - Jun. 20
OtterJun. 1 - Jun. 10
OutlookJun. 11 - Jun. 20
OvandoJul. 21 - Jul. 31
PabloJun. 1 - Jun. 10
ParadiseJun. 21 - Jun. 30
Park CityJun. 11 - Jun. 20
Parker SchoolJun. 1 - Jun. 10
PeerlessJun. 11 - Jun. 20
PendroyJun. 21 - Jun. 30
PermaJun. 11 - Jun. 20
PhilipsburgJul. 21 - Jul. 31
PiltzvilleJun. 21 - Jun. 30
PinesdaleJun. 11 - Jun. 20
Pioneer JunctionJun. 21 - Jun. 30
PlainsJun. 21 - Jun. 30
PlentywoodJun. 1 - Jun. 10
PlevnaJun. 1 - Jun. 10
PolarisJul. 21 - Jul. 31
PolebridgeFrost Year Round
PolsonJun. 1 - Jun. 10
Pompeys PillarJun. 1 - Jun. 10
PonyJun. 21 - Jun. 30
PoplarJun. 1 - Jun. 10
PowdervilleJun. 1 - Jun. 10
PowerJun. 11 - Jun. 20
PrayJun. 11 - Jun. 20
ProctorJun. 1 - Jun. 10
PryorJun. 1 - Jun. 10
RadersburgJun. 11 - Jun. 20
RamsayJul. 1 - Jul. 10
RapeljeJun. 11 - Jun. 20
RavalliJun. 11 - Jun. 20
RaymondJun. 1 - Jun. 10
RaynesfordJun. 11 - Jun. 20
Red LodgeJun. 21 - Jun. 30
RedstoneJun. 11 - Jun. 20
Reed PointJun. 11 - Jun. 20
ReserveJun. 1 - Jun. 10
RexfordJun. 11 - Jun. 20
RicheyJun. 1 - Jun. 10
RichlandJun. 11 - Jun. 20
RidgewayJun. 1 - Jun. 10
RinglingJul. 11 - Jul. 20
RiverbendJun. 11 - Jun. 20
RivuletJun. 21 - Jun. 30
RobertsJun. 11 - Jun. 20
Rocky Boy's AgencyJun. 1 - Jun. 10
Rocky PointJun. 1 - Jun. 10
RollinsJun. 1 - Jun. 10
RonanJun. 1 - Jun. 10
RoscoeJun. 21 - Jun. 30
RosebudJun. 1 - Jun. 10
Ross Creek Scenic AreaJun. 21 - Jun. 30
RoundupJun. 1 - Jun. 10
RoyJun. 1 - Jun. 10
RudyardJun. 11 - Jun. 20
RyegateJun. 11 - Jun. 20
SacoJun. 1 - Jun. 10
Saddle ButteJun. 1 - Jun. 10
Saint IgnatiusJun. 11 - Jun. 20
Saint MarieJun. 1 - Jun. 10
Saint PierreJun. 1 - Jun. 10
Saint RegisJul. 11 - Jul. 20
Saint XavierJun. 1 - Jun. 10
SalteseJul. 1 - Jul. 10
Sand CouleeJun. 11 - Jun. 20
Sand SpringsJun. 1 - Jun. 10
SandersJun. 1 - Jun. 10
SangreyJun. 1 - Jun. 10
Santa RitaJun. 11 - Jun. 20
SavageJun. 1 - Jun. 10
ScobeyJun. 1 - Jun. 10
SedanJul. 11 - Jul. 20
Seeley LakeJul. 21 - Jul. 31
ShamboJun. 1 - Jun. 10
ShawmutJun. 11 - Jun. 20
ShelbyJun. 11 - Jun. 20
ShepherdJun. 1 - Jun. 10
SheridanJul. 1 - Jul. 10
ShonkinJun. 11 - Jun. 20
SidneyJun. 1 - Jun. 10
SilesiaJun. 11 - Jun. 20
Silver GateFrost Year Round
Silver StarJul. 1 - Jul. 10
SimmsJun. 11 - Jun. 20
SnawmutJun. 21 - Jun. 30
SomersJun. 11 - Jun. 20
SonnetteJun. 1 - Jun. 10
South BrowningJun. 21 - Jun. 30
SpringdaleJun. 11 - Jun. 20
SpringhillJul. 1 - Jul. 10
StanfordJun. 21 - Jun. 30
Starr SchoolJul. 1 - Jul. 10
StevensvilleJun. 11 - Jun. 20
StockettJun. 11 - Jun. 20
StrykerJul. 1 - Jul. 10
SulaFrost Year Round
SumatraJun. 1 - Jun. 10
Sun PrairieJun. 1 - Jun. 10
Sun RiverJun. 11 - Jun. 20
SunburstJun. 11 - Jun. 20
SuperiorJun. 11 - Jun. 20
Swan LakeJul. 1 - Jul. 10
Sweet GrassJun. 11 - Jun. 20
SylvaniteJun. 21 - Jun. 30
TeigenJun. 11 - Jun. 20
TerryJun. 1 - Jun. 10
Thompson FallsJun. 1 - Jun. 10
Three ForksJun. 11 - Jun. 20
TostonJun. 21 - Jun. 30
TownsendJun. 11 - Jun. 20
TregoJun. 21 - Jun. 30
Trout CreekJul. 1 - Jul. 10
TroyJun. 11 - Jun. 20
TurahJun. 21 - Jun. 30
TurnerJun. 11 - Jun. 20
Turtle LakeJun. 1 - Jun. 10
Twin BridgesJul. 1 - Jul. 10
Two DotJul. 1 - Jul. 10
TwodotJul. 1 - Jul. 10
UlmJun. 11 - Jun. 20
ValierJun. 11 - Jun. 20
Van NormanJun. 11 - Jun. 20
VanandaJun. 1 - Jun. 10
VandaliaMay 21 - May 31
VaughnJun. 11 - Jun. 20
VictorJun. 11 - Jun. 20
VidaJun. 1 - Jun. 10
VirgelleJun. 11 - Jun. 20
Virginia CityJul. 1 - Jul. 10
VolborgJun. 1 - Jun. 10
WalkervilleJul. 1 - Jul. 10
Warm SpringsJul. 1 - Jul. 10
WarrickJun. 1 - Jun. 10
WeeksvilleJun. 21 - Jun. 30
West GlacierJun. 21 - Jun. 30
West GlendiveMay 21 - May 31
West HavreJun. 1 - Jun. 10
West YellowstoneJul. 21 - Jul. 31
WestbyJun. 1 - Jun. 10
White HavenJun. 21 - Jun. 30
White Sulphur SpringsJun. 21 - Jun. 30
WhitefishJun. 21 - Jun. 30
Whitefish Mountain ResortJul. 1 - Jul. 10
WhitehallJul. 1 - Jul. 10
WhitetailJun. 11 - Jun. 20
WhitewaterJun. 1 - Jun. 10
WhitlashJun. 11 - Jun. 20
WibauxJun. 11 - Jun. 20
WilbornJul. 1 - Jul. 10
WillardJun. 1 - Jun. 10
Willow CreekJun. 21 - Jun. 30
WilsallJul. 1 - Jul. 10
WinifredJun. 1 - Jun. 10
WinnettJun. 1 - Jun. 10
WinstonJun. 11 - Jun. 20
WisdomFrost Year Round
Wise RiverJun. 21 - Jun. 30
Wolf CreekMay 21 - May 31
Wolf PointJun. 1 - Jun. 10
Woods BayJun. 1 - Jun. 10
WordenJun. 1 - Jun. 10
WyeJun. 11 - Jun. 20
WyolaJun. 11 - Jun. 20
YaakJun. 21 - Jun. 30
YaktJul. 1 - Jul. 10
YellowtailMay 21 - May 31
ZortmanJun. 11 - Jun. 20
ZurichJun. 11 - Jun. 20
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