18 deg Celsius = 64.4 deg Fahrenheit.
Temperature is easy to convert from Fahrenheit to Celsius yourself. You can use the formula Tc = (5/9)*(Tf-32) where Tc = temperature in degrees Celsius, Tf = temperature in degrees Fahrenheit. 65 F is 18 C.
-10 C = 32 + -10 x 9/5 = 32 - 18 = 14 F greater than 10 F
-18 degrees Celsius = -0.4 degrees Fahrenheit
18 degrees Celsius = 64.4 degrees Fahrenheit.
It would have to rise 18 degrees Celsius.
27.6
-7.78 degrees Celsius.
-18 degrees Celsius = -0.4 degrees Fahrenheit.
18 degrees Fahrenheit = -7.7 degrees Celsius.
-18 degrees Celsius = -0.4 degrees Fahrenheit
Because degrees Celsius means the same as degrees centigrade, the answer is 18 degrees. Better use the correct word "degrees Celsius."
18 degrees Celsius is colder than 20 degrees Celsius.