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.
Kentucky weather forecast Hot temperatures with high dew points are expected Wednesday, July 23, through Friday, July 25. Katie Wiseman, Louisville Courier Journal, 22 July 2025 Southwest winds will keep the cooling breeze from Lake Michigan away, and dew points will be in the 70s. Hope Karnopp, jsonline.com, 21 July 2025 According to the National Weather Service in Wilmington, warm temperatures, gusty winds, and low dew points will cause low relative humidity Wednesday afternoon, leading to possible fire concerns. Haadiza Ogwude, Cincinnati Enquirer, 19 Mar. 2025 The dew point would have to be at least 55 degrees for three days in a row to signal the monsoon arrived (54 degrees in Tucson). Hayleigh Evans, AZCentral.com, 9 July 2025 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 29 Jul. 2025.

Kids Definition

dew point

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

More from Merriam-Webster on dew point

Last Updated: - Updated example sentences
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