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
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
To increase the humidity for the plant, especially during dry winters, keep it in a humid bathroom or kitchen, or use a humidifier to ramp up levels.
—
Karen Brewer Grossman, Southern Living, 24 Oct. 2025
Haiti, Jamaica and the Dominican Republic’s steep terrain will force air upward, wringing out more moisture from the storm, just like squeezing a wet sponge, turning tropical humidity into torrents racing downhill.
—Briana Waxman, CNN Money, 24 Oct. 2025
Cold temperatures, low humidity and high-altitude sun exposure can all compromise your skin barrier.
—Leslie Baumann, Miami Herald, 23 Oct. 2025
Regulate indoor temperature and humidity to prevent excessive fluid loss from heat or overly dry air conditioning.
—Lauren O'Connor, Health, 23 Oct. 2025
See All Example Sentences for humidity
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Karen Brewer Grossman, Southern Living, 24 Oct. 2025
Haiti, Jamaica and the Dominican Republic’s steep terrain will force air upward, wringing out more moisture from the storm, just like squeezing a wet sponge, turning tropical humidity into torrents racing downhill.
—Briana Waxman, CNN Money, 24 Oct. 2025
Cold temperatures, low humidity and high-altitude sun exposure can all compromise your skin barrier.
—Leslie Baumann, Miami Herald, 23 Oct. 2025
Regulate indoor temperature and humidity to prevent excessive fluid loss from heat or overly dry air conditioning.
—Lauren O'Connor, Health, 23 Oct. 2025
See All Example Sentences for humidity
Cite this Entry
“Humidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/humidity. Accessed 31 Oct. 2025.
Copy CitationKids Definition
humidity
noun
hu·mid·i·ty
hyü-ˈmid-ət-ē
yü-
plural humidities
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
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