Of weather, seasons, etc.: not rough or stormy, not harsh or severe; calm, fine; moderately (esp. unseasonably) warm. Of a climate: temperate.

Modified in temperature, equable, mild.

Carefully moderated; thoroughly tempered (in various senses).

Of a physical process, condition, or agency: not intense, violent, rigorous, or severe. Of winds or seas: of medium strength or force. Of a…

spec. Of the weather, season, climate, etc.: Moderate in respect of warmth: neither too hot nor too cold; of mild and equable temperature.