When Is the Last Frost?

Montana frost dates: K

CityLast frostFirst frostSeasonZone
KalispellMay 31Sep 10102 d5b
KevinMay 17Sep 25131 d4a
KilaMay 12Sep 25136 d5b
KinseyMay 8Sep 30145 d4a
KremlinMay 24Sep 15114 d4a