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

Numerous factors including wind, humidity, air quality, fuel moisture and availability of fire crew personnel must be met before crews are authorized to move forward with burning. —Ca Wildfire Bot, Sacbee.com, 30 Apr. 2025

For that reason, the app also utilizes real-time readings from the temperature, humidity and blood oxygen sensors. —Ben Coxworth, New Atlas, 24 Apr. 2025

The combination of low humidity, warm temperatures and a slight breeze has put the area at an elevated wildfire risk but the National Weather Service has not yet issued a Red Flag warning. —Ross Rosenfeld, MSNBC Newsweek, 23 Apr. 2025

Low humidity—between 10 and 20 percent in most airplane cabins—may also affect our taste. —Nathalie Alonso, AFAR Media, 23 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