dew point

noun

: the temperature at which a vapor (such as water) begins or would begin to condense

Examples of dew point in a Sentence

It's 78° outside and the dew point is 63°.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Dryer air has moved into the area, dropping dew points from near the 80s to the upper 70s. Kansas City Star, 27 July 2026 Ahead of the front, dew points in the upper 60s and lower 70s combined with daytime heating will create enough instability to fuel widespread thunderstorms. Brandi D. Addison, USA Today, 21 July 2026 When the air above the grass becomes significantly cooler than the air within the grass, the dew point rises and moisture on the grass increases, jeopardizing the safety of the players. Ava Wallace, New York Times, 7 July 2026 When high temperatures and high dew points hang on through the night, the body keeps trying to sweat without any cooling benefit. Hanna Wickes, Charlotte Observer, 1 July 2026 See All Example Sentences for dew point

Word History

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of dew point was in 1826

Browse Nearby Words

Cite this Entry

“Dew point.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dew%20point. Accessed 31 Jul. 2026.

Kids Definition

dew point

noun
: the temperature at which the moisture in the air begins or would begin to collect on surfaces

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