Which locality has the greatest annual range of temperature in the us?

The locality with the greatest annual range of temperature in the United States is Fairbanks, Alaska. It experiences extreme temperature variations, with winter temperatures dropping as low as -40°F (-40°C) and summer highs reaching up to 90°F (32°C) or more. This significant difference leads to an annual temperature range of around 130°F (72°C). Fairbanks' unique geography and climate contribute to this remarkable temperature fluctuation.