When Is the Last Frost?

Colorado frost dates: V

CityLast frostFirst frostSeasonZone
VailJun 21Sep 778 d5a
VernonMay 7Oct 6152 d5b
VictorMay 26Sep 26123 d5b
VilasApr 30Oct 14167 d6b
Villa GroveMay 16Sep 28135 d5b
VonaMay 4Oct 11160 d6a