Definition of dew point
: the temperature at which a vapor (such as water) begins or would begin to condense
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Examples of dew point in a Sentence
It's 78° outside and the dew point is 63°.
Recent Examples of dew point from the Web
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Humidity is running high as well, with dew points stuck in the low 60s until the aforementioned frontal passage.
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Black ice often forms at night, when the dew point is near freezing and the cold pavement turns moisture to ice.
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The equation relating the three variables — temperature, dew point and relative humidity — is quite complex.
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The air temperature and dew point temperature are measured, and the relative humidity is then calculated from those two values.
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However, colder temperatures will be possible if winds manage to die down overnight and dew points dip.
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Any dew point of 70 degrees or higher signals oppressively humid air.
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The humidity remains way too high for late September, with dew points in the upper 60s to near 70.
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The dew point, a measure of humidity, remained at least 70 degrees for nearly three straight days Oct. 8 to 10 — the longest stretch on record for the month by far, nearly doubling the next longest streak (1.5 days in 1959).
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dew point.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of dew point
1826
DEW POINT Defined for English Language Learners
dew point
Definition of dew point for English Language Learners
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: the temperature at which the moisture in the air forms visible drops of water : the temperature at which dew forms
DEW POINT Defined for Kids
dew point
Definition of dew point for Students
: the temperature at which the moisture in the air begins to turn to dew
Learn More about dew point
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See words that rhyme with dew point Spanish Central: Translation of dew point Nglish: Translation of dew point for Spanish speakers
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