CHILLING OUT: America's 10 coldest cities unveiled - city guide. 

The ten coldest cities in America, known for their frigid winters, are characterized by long, harsh winters with temperatures often plunging well below freezing. International Falls, Minnesota, often dubbed the "Icebox of the Nation," sees average January lows around -8°F. Fargo, North Dakota, experiences brutal cold, with January lows averaging -2°F. Grand Forks, North Dakota, similarly cold, frequently faces extreme winter temperatures. Anchorage, Alaska, despite coastal moderation, endures chilly winters, with average lows around 11°F. Minneapolis, Minnesota, and its neighbor St. Paul face severe cold, with January lows around 7°F. Duluth, Minnesota, situated by Lake Superior, encounters bitter winds and temperatures around 3°F. Fairbanks, Alaska, sees extreme cold, with winter lows averaging -16°F. Marquette, Michigan, along Lake Superior, experiences snowy, cold winters, with average lows around 14°F. Finally, Helena, Montana, endures harsh winters with lows averaging 10°F, rounding out the list of America's coldest cities.