good temper vs good humour

good temper and good humour both are nouns.

Word	Noun	Adjective	Verb	Adverb
good temper	Yes	No	No	No
good humour	Yes	No	No	No

As nouns, good temper and good humour are synonyms defined as:

Other synonyms of good temper include amiability, good humor.

good temper (noun)	good humour (noun)
a cheerful and agreeable mood	a cheerful and agreeable mood