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

Many guests will tell you their favorite feature is the air-conditioning, an appreciated relief from the humidity. —Jen Murphy, Robb Report, 19 Apr. 2025

That said, most runners become slower with increasing temperatures, humidity, and sunshine exposure.6 5. —Sohaib Imtiaz, Verywell Health, 17 Apr. 2025

To be sure, Florida had its attractions, one of which was the sunny weather, although air conditioning was still rare at the time, and the heat and humidity could be oppressive for much of the year. —Greg Daugherty, Smithsonian Magazine, 15 Apr. 2025

Rain isn’t the only concern for the Rays this season; fans will now be exposed to the area’s notorious summer heat and humidity. —Jason Clinkscales, Sportico.com, 9 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing humidity

• absolute humidity
• relative humidity

Rhymes for humidity

• acidity
• aridity
• avidity
• cupidity
• fluidity
• liquidity
• lucidity
• morbidity
• placidity
• rancidity
• rapidity
• rigidity

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