Apparently the Bahamas, Belize, the Cayman Islands, the Republic of Palau and the United States are all countries that use the Fahrenheit scale whereas all other countries in the w... moreApparently the Bahamas, Belize, the Cayman Islands, the Republic of Palau and the United States are all countries that use the Fahrenheit scale whereas all other countries in the world use Celsius to measure temperature. Do you know your Celsius? Should Celsius be the temperature scale by default when talking temperatures, after all it's the most used scale?