noun
moisture, wetness, dampness, mugginess, dankness, heaviness, sogginess, thickness, fogginess, wet, sultriness, steaminess, steam, vaporization, dankness, evaporation, sweatiness, humectation, dewiness, humidification, liquidity, stickiness, moistness, swelter, oppressiveness; see also rain 1.
Antonyms dryness*, aridity, drought.