The coldest state in the US is Alaska. It is the most northern US state.
Minnesota.
North Dakota
Alaska
Alaska is a state, not a city. If you're asking if the coldest city in the US is in Alaska, then probably, depending on exactly how you define "coldest city". At any given moment, it's possible (if not terribly likely) that the coldest temperature measured in any US city is for a city not in Alaska.
Top part of Maine.
Alaska. In the continental United States, Minnesota takes the cake.
Minnesota, with an average temperature of 40.96 degrees Fahrenheit
Maine with an average temperature of 40.97 degrees Fahrenheit
Alaska. In the continental United States, Minnesota takes the cake.
4seasons
Alaska