Learn how to say Humidity correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word humidity:
noun (plural humidities)
the state or quality of being humid.
a quantity representing the amount of water vapour in the atmosphere or in a gas:
the temperature is seventy-seven, the humidity in the low thirties
the humidity should be supplied by regularly spraying the leaves
late Middle English: from Old French humidite or Latin humiditas, from humidus (see humid)