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 Heat advisories are likely--given very high temperatures alone--combining with still-noticeable humidity (dew points near but perhaps not constantly above 70). A. Camden Walker, Washington Post, 12 July 2024 It's dried out the air — dew point temperatures are sitting barely above 50 degrees in Phoenix — and created conditions for what the National Weather Service is calling a historic heat wave. Shaun McKinnon, The Arizona Republic, 8 July 2024 The weather service said dew point temperatures will fall into the middle 60s, making conditions more comfortable. Robert A. Cronkleton, Kansas City Star, 5 July 2024 With moderate to high humidity (dew points in the mid- and upper 60s), the heat index should reach 100 to 105. Matt Rogers, Washington Post, 25 June 2024 See all Example Sentences for dew point 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dew point.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1826, in the meaning defined above

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

Dictionary Entries Near dew point

Cite this Entry

“Dew point.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dew%20point. Accessed 15 Jul. 2024.

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

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