When Is the Last Frost?

Idaho frost dates: T

CityLast frostFirst frostSeasonZone
TendoyMay 17Sep 24130 d5b
TensedMay 11Oct 5147 d6b
TerretonJun 3Sep 11100 d4b
TetonMay 29Sep 13107 d5a
TetoniaJun 13Sep 988 d5a
ThatcherMay 29Sep 17111 d6a
Troyfrost any month6b
Twin FallsApr 30Oct 9162 d6b