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

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 Money, 10 Aug. 2026

Heat index in Boston Each day will have temperatures topping out around 90 degrees, dew points topping 70 degrees and feels-like readings between 90-100 degrees. — Terry Eliasen, CBS News, 6 Aug. 2026

The other two entrances, which are sidewalk entrances, provide the interior where the washers and dryers are with an incredibly comfortable breeze in Miami’s average 30-degree weather and often times high dew point. — Paula De La Cruz, Forbes.com, 31 July 2026

Temperatures are expected to be in the lower to mid-80s, with dew points in the lower to mid-60s. — Kansas City Star, 31 July 2026

Word History

First Known Use

1826, in the meaning defined above

Rhymes for dew point

• adjoint
• anoint
• appoint
• checkpoint
• conjoint
• disjoint
• endpoint
• gunpoint
• midpoint
• nonpoint
• pinpoint
• standpoint

Kids Definition

dew point

noun

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