La Niña

noun

La Ni·​ña lä-ˈnē-nyə How to pronounce La Niña (audio) -nyä How to pronounce La Niña (audio)
plural La Niñas
: an irregularly recurring upwelling of unusually cold water to the ocean surface along the western coast of South America that often occurs following an El Niño and that disrupts typical regional and global weather patterns especially in a manner opposite to that of El Niño

Examples of La Niña in a Sentence

Recent Examples on the Web
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The cooler-than-average phase is called La Nina, while near-average conditions are known as ENSO-neutral. Dan Peck, ABC News, 14 May 2026 The atmospheric reactions to El Nino and La Nina have changed and the Sierra snowpack is running at historically low levels. Greg Porter, San Francisco Chronicle, 26 Mar. 2026 The system was rooted in a Mexican mythology known as La Nina de las Flores (The Flower Girl), where Luz kills her victims in a ritual order. Demetrius Patterson, HollywoodReporter, 18 Mar. 2026 It was also compounded by the current La Nina weather phenomenon which naturally brings wetter conditions in the southern Africa region but was now operating within a much warmer atmosphere. Nick Lichtenberg, Fortune, 29 Jan. 2026 Usually a warm El Nino spikes temperatures and its cool La Nina flip side depresses temperatures. Dallas Morning News, 14 Jan. 2026 And the storm-brewing conditions are still there --- warmer ocean waters and a cool La Nina weather pattern that results in weaker vertical wind shear needed to cut down storm winds. Cbs Miami Team, CBS News, 25 Nov. 2025 As for La Nina, this is the cool phase of a natural, recurring climate cycle known as the El Nino-Southern Oscillation. Joe Edwards, MSNBC Newsweek, 23 Nov. 2025

Word History

Etymology

Spanish, the (female) child

First Known Use

1981, in the meaning defined above

Time Traveler
The first known use of La Niña was in 1981

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Cite this Entry

“La Niña.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/La%20Ni%C3%B1a. Accessed 21 May. 2026.

Kids Definition

La Niña

noun
La Ni·​ña lä-ˈnē-nyə How to pronounce La Niña (audio) -nyä How to pronounce La Niña (audio)
: an irregularly occurring movement of deep cold water to the ocean surface along the western coast of South America that often occurs after an El Niño and that disrupts weather patterns especially in a manner opposite that of an El Niño
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