equable

adjectives

not varying
"an equable climate"
equable
is similar to
(of weather or climate) free from extremes; mild; or characteristic of such weather or climate
"a temperate region"; "the temperate zones"; "temperate plants"
temperate
not easily irritated
"an equable temper"; "not everyone shared his placid temperament"; "remained placid despite the repeated delays"
equable, even-tempered, good-tempered, placid