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

Strong winds and low humidity are causing several wildfires to spread through western North Carolina, risking more damage to some areas still recovering from Helene, AccuWeather reported. —Doyle Rice, USA Today, 28 Mar. 2025

Strong winds and low humidity could create significant problems for firefighters in the Carolinas on Friday, as wildfires continue to rage throughout both states, officials said. —Kenton Gewecke, ABC News, 28 Mar. 2025

Twice a day — at 8 a.m. and 8 p.m. ET — meteorologists simultaneously launch the balloons, which are equipped with instruments called radiosondes that measure temperature, humidity and wind speed. —Evan Bush, NBC news, 27 Mar. 2025

Winds are forecasted to be northwest 5 to 15 mph with gusts up to 35 mph and humidity as low as 15%. —Nc Weather Bot, Charlotte Observer, 26 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