What Is The Coldest It Gets In Idaho?
What Is The Coldest It Gets In Idaho? Hottest temperature ever recorded: 118 F, Orofino, northern Idaho, 7/28/1934. Coldest temperature ever recorded: -60 F, Island Park Dam, eastern Idaho, 1/18/1943. Hottest location ranked by highest average annual temperature: Swan Falls, southwest Idaho, 55.4 F. How cold does Idaho get? In Boise, the summers are short,