humidity

noun

hu·​mid·​i·​ty hyü-ˈmi-də-tē 

yü-

plural humidities

: a moderate degree of wetness especially of the atmosphere compare relative humidity

Synonyms

• damp
• dampness
• moistness
• moisture

Examples of humidity in a Sentence

the humidity of the region

It's not the heat that will get you—it's the humidity.

The temperature is 67 degrees with humidity at 75 percent.

an area of low humidity

Recent Examples on the Web

Fire crews can sometimes get the upper hand on blazes with the help of cooler temperatures and higher humidity at night, but the heat continued in the evenings both nights. —Hannah Fry, Los Angeles Times, 12 July 2024

When humidity is factored in, the heat index value is expected to soar to 101 degrees. —Robert A. Cronkleton, Kansas City Star, 12 July 2024

On a walk in New York yesterday, Holmes managed to look breezy even in the sluggish humidity. —Hannah Jackson, Vogue, 11 July 2024

The National Weather Service said the heat index, which factors in low humidity, will make the Houston area feel more like 106 degrees. —Bill Hutchinson, ABC News, 11 July 2024

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing humidity

• absolute humidity
• relative humidity

Kids Definition

humidity

noun

hu·​mid·​i·​ty hyü-ˈmid-ət-ē 

yü-

plural humidities

: moisture, dampness

especially : the amount of moisture in the air

Medical Definition

humidity

noun

hu·​mid·​i·​ty hyü-ˈmid-ət-ē, yü- 

plural humidities

: a moderate degree of wetness especially of the atmosphere see absolute humidity, relative humidity