Average Last Frost Dates for Colorado

About Last Frost Dates in Colorado

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

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Interactive Map of Average Last Frost Dates for Colorado

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 Colorado

LocationAverage Last Frost Dates
ArvadaMay 11 - 20
AuroraMay 11 - 20
Black ForestJune 1 - 10
BoulderMay 11 - 20
BrightonMay 11 - 20
BroomfieldMay 11 - 20
Castle RockMay 21 - 31
CentennialMay 11 - 20
Cimarron HillsMay 11 - 20
CliftonApril 21 - 30
Colorado SpringsMay 11 - 20
ColumbineMay 11 - 20
Commerce CityMay 11 - 20
DenverMay 11 - 20
DurangoMay 21 - 31
EnglewoodMay 11 - 20
ErieMay 1 - 10
EvansMay 11 - 20
FirestoneMay 11 - 20
Fort CarsonMay 1 - 10
Fort CollinsMay 11 - 20
FountainMay 1 - 10
FruitvaleApril 21 - 30
GoldenMay 21 - 31
Grand JunctionApril 21 - 30
GreeleyMay 11 - 20
Greenwood VillageMay 11 - 20
Highlands RanchMay 11 - 20
JohnstownMay 11 - 20
Ken CarylMay 21 - 31
LafayetteMay 11 - 20
LakewoodMay 11 - 20
LittletonMay 11 - 20
LongmontMay 1 - 10
LouisvilleMay 11 - 20
LovelandMay 11 - 20
MontroseMay 11 - 20
NorthglennMay 11 - 20
ParkerMay 11 - 20
PuebloMay 1 - 10
Pueblo WestMay 1 - 10
SherrelwoodMay 11 - 20
ThorntonMay 11 - 20
TimnathMay 11 - 20
WelbyMay 11 - 20
WestminsterMay 11 - 20
Wheat RidgeMay 11 - 20
WindsorMay 11 - 20

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