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

But low humidity, coupled with dry vegetation and winds, are a recipe for fires to spark and spread. —Thomas Wheatley, Axios, 4 Mar. 2025

Strong winds, dry conditions cause fires in Texas High winds and low humidity, as well as dry vegetation in Texas fueled wildfires across the state. —Christopher Cann, USA TODAY, 4 Mar. 2025

The air was thick with humidity, and the forest seemed alive with sounds — colorful birds, darting insects, cutting ants, and the frequent rustle of something unseen. —Bill Frist, Forbes, 3 Mar. 2025

High wind warnings were in effect Monday in the Southwest alongside low humidity, increasing the threat of wildfire. —Angela Fritz, CNN, 3 Mar. 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