From Longman Dictionary of Contemporary Englishtemperatetem‧pe‧rate /ˈtempərət/ adjective  1  → temperate climate/zone/region etc2 formalCALM behaviour that is temperate is calm and sensible OPP intemperate
                                                    
                                                Examples from the Corpus
temperate• The weather here continues to be temperate!• Here I review these data and their implications for a temperate climate.• The difficulty is greater in relation to overseas markets having temperatures and humidities higher than those of temperate regions.• Many sea-urchins of temperate waters have tiny pronged pincers, often provided with poison glands.Origin temperate (1300-1400) Latin past participle of temperare;  → TEMPER2 
