Because a vast majority of the rest of the world does.
The rest of the world besides US uses Celsius, so yes.
44.7 Celsius
Oregon does not officially use Celsius
Yes. Every country other than the United States uses Celsius in all references to temperature. In many cases, it is not even noted since the standard is commonly understood.
The average high temperature in France in March is 13 degrees Celsius. The average low temperature is 6 degrees Celsius. Average rainfall is 24.4 millimeters.
Celsius
you use a celsius scale when you want to check the weather
Countries that use Celsius use it in their ovens.
Fahrenheit, just like the U.S.
Yes
Paris uses the Celsius temperature scale.
Almost everyone apart from the US uses Celsius.