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.
Flynn said dew points — the temperature to which air needs to cool in order to produce droplets — may rise into the low 60s around the region. Rick Hurd, Mercury News, 22 Aug. 2025 For the rest of the week, temperatures will fluctuate between the high-70s and low-80s with mild dew points and calm winds capping at around 10 mph. Jack Albright, jsonline.com, 19 Aug. 2025 The nation's capital and states including Pennsylvania, New York and Ohio recorded some of their highest dew points on record, experts said. Christopher Cann, USA Today, 13 Aug. 2025 Colorado’s dew points were also average as the state avoided the moisture onslaught that unfolded farther east. Mary Gilbert, CNN Money, 12 Aug. 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 9 Sep. 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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