US Weather Extremes: Top 10 Coldest Cities

10 coldest cities Average annual temperature, F 1. International Falls, Minnesota 36.4 2. Duluth, Minnesota 38.2 3. Caribou, Maine 38.9 4. Marquette, Michigan 39.2 5. Sault Ste Marie, Michigan 39.7 6. Fargo, North Dakota 40.5 7. Williston, North Dakota 40.8 8. Alamosa, Colorado 41.2 9. Bismarck, North Dakota 41.3 10. St. Cloud, Minnesota 41.4