: the temperature at which a vapor (such as water) begins or would begin to condense
Example Sentences
It's 78° outside and the dew point is 63°.
Recent Examples on the WebBoth temperatures and dew point values will be in the low 70s, which should result in areas of patchy fog as well. Greg Porter, Washington Post, 27 Aug. 2022 The dew point will be in the mid to upper 60s early in the morning, then fall into the mid to upper 50s by late in the day.Hartford Courant, 30 Aug. 2022 The air will have a moist, tropical feel on Thursday as the dew point rises to the 65 degree to 68 degree level. Gary Robbins, San Diego Union-Tribune, 24 Aug. 2022 In a 1979 study, researcher R.G. Steadman used temperature and dew point to determine a method of assessing how sultry the air field is. Tori B. Powell, CBS News, 12 Aug. 2022 The dew point will be in the 65 degree to 68 degree range during that period. Gary Robbins, San Diego Union-Tribune, 19 Aug. 2022 While temperatures were in the lower 80s, the dew point dropped into the lower 40s in the afternoon and that led to a very comfortable evening.Hartford Courant, 12 Aug. 2022 In Albuquerque, the summertime average is 47 degrees for the dew point. Matthew Cappucci, Washington Post, 7 July 2022 There will be a break in the humidity Saturday, then the dew point will be climbing through the 60s on Sunday.courant.com, 28 Aug. 2021 See More
Word History
First Known Use
1826, in the meaning defined above
Kids Definition
dew point
noun
: the temperature at which the moisture in the air begins to turn to dew