microclimatePronunciation: /ˈmʌɪkrə(ʊ)ˌklʌɪmət/Definition of microclimate noun the climate of a very small or restricted area, especially when this differs from the climate of the surrounding area: the microclimate of the valley is fairly mildDerivatives microclimaticPronunciation: /-ˈmatɪk/ adjective microclimaticallyPronunciation: /-ˈmatɪk(ə)li/ adverb microclimate in other Oxford dictionaries Definition of microclimate in the US English dictionary