relative humidity
noun
: the ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature
Examples of relative humidity in a Sentence
Recent Examples on the Web
Heating the indoor air in winter means the air will retain more moisture (it won't be dispersed to help humidify plants or your sinuses), but lowering the thermostat to a temperate 68 degrees F can help increase relative humidity in your home, and this can help your houseplants stay vibrant.
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Peg Aloi, The Spruce, 5 Jan. 2026
Red flag warnings were not issued because forecasters were less confident that strong winds would gust through the cities in the afternoon, when relative humidities are expected to be the lowest.
—Lauren Penington, Denver Post, 4 Jan. 2026
Expect winds to be west 20 to 25 mph with gusts up to 40 mph and relative humidity as low as 25 percent.
—Nc Weather Bot, Charlotte Observer, 29 Dec. 2025
Winds could gust up to 60 mph, while relative humidity drops to 8–15%, creating high to critical fire danger through the day.
—Alex Lehnert, CBS News, 22 Dec. 2025
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Peg Aloi, The Spruce, 5 Jan. 2026
Red flag warnings were not issued because forecasters were less confident that strong winds would gust through the cities in the afternoon, when relative humidities are expected to be the lowest.
—Lauren Penington, Denver Post, 4 Jan. 2026
Expect winds to be west 20 to 25 mph with gusts up to 40 mph and relative humidity as low as 25 percent.
—Nc Weather Bot, Charlotte Observer, 29 Dec. 2025
Winds could gust up to 60 mph, while relative humidity drops to 8–15%, creating high to critical fire danger through the day.
—Alex Lehnert, CBS News, 22 Dec. 2025
See All Example Sentences for relative humidity
Cite this Entry
“Relative humidity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relative%20humidity. Accessed 9 Jan. 2026.
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