: 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 WebHumidity is very low with dew points in the comfortable 40s.—Matt Rogers, Washington Post, 16 Apr. 2024 Humidity rises when the air temperature and the dew point, which measures how much moisture is in the air, approach the same temperature.—Mary Gilbert, CNN, 7 Apr. 2024 As the skies clear, solar energy exits the earth, allowing temperatures to cool near or at the dew point.—Victoria Moorwood, The Enquirer, 25 Jan. 2024 The air remains very dry with dew points in the 20s.—Matt Rogers, Washington Post, 6 Feb. 2024 High temperatures range through the mid- to upper 40s (with dew points down near 20).—Matt Rogers, Washington Post, 6 Feb. 2024 However, dew points — a measure of humidity — are forecast to reach the mild 50s on Thursday.—Ian Livingston, Washington Post, 24 Jan. 2024 Frost forms when that air becomes supersaturated, the excess water vapor is deposited as seed crystals on various surfaces, and the air temperature drops below the dew point.—Jennifer Ouellette, Ars Technica, 8 Dec. 2023 With dew points into the single digits, lows end up in the teens to low 20s most spots.—Ian Livingston, Washington Post, 13 Jan. 2024
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.
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