Yes there is. Just imagine the difference between 80 degrees and 20 degrees on the Fahrenheit scale. negative 20 degrees is very cold, well below freezing, seeing as 0 degrees Celsius is the point of freezing, but there is still some heat energy in -20. but -80 is extremely cold, to the point of almost death, if there is any chance of survival. So yes, there is.
There IS a difference, which arises because the Celsius scale is not an absolute scale: its zero is arbitrary. What this means is that 20 deg C is not twice as warm as 10 deg C. So, the difference between 10 deg C and 20 deg C is NOT 10 deg C but 10 Celsius degrees.In other words, one Celsius degree is the difference in temperature between n deg C and (n+1) deg C (for any n > -273) whereas one degree Celsius is a specific temperature - a bit above the freezing point of pure water under normal pressure.
20 degree Celsius = 68 degree Fahrenheit
20 degree Celsius = 68 degree Fahrenheit
20 degrees Celsius is colder than 18 degrees Celsius.
-20 degrees Celsius is colder than -18 degrees Celsius.
100 degrees Celsius minus 20 degrees Celsius is equal to 80 degrees Celsius.
20 degree Celsius = 68 degree Fahrenheit
75 degree Celsius is hotter than 20 degrees Celsius.
40 degrees Fahrenheit, as 20 degrees Celsius equals 68 degrees Fahrenheit
303 Kelvin is colder than 20 degrees Celsius, as 20 degrees Celsius is equivalent to 293 Kelvin.
-20 degree Celsius = -4 degree Fahrenheit.Conversion to Fahrenheit: -4°F
The difference between 20 degrees Celsius and 50 degrees Celsius is 30 degrees.