A Shifting Climate Landscape: Experts Foresee a Return of La Niña Amidst Continued Global Warming
Geneva, Switzerland – September 2, 2025 – The world may be on the cusp of a cooling weather pattern with the potential return of La Niña, according to a recent analysis by the World Meteorological Organization (WMO). However, this anticipated shift in oceanic and atmospheric conditions is unlikely to halt the overarching trend of rising global temperatures, as the persistent effects of climate change continue to influence the planet’s climate system.
The WMO’s latest assessment indicates a growing probability of La Niña developing in the coming months. This naturally occurring climate phenomenon, characterized by cooler-than-average sea surface temperatures in the central and eastern equatorial Pacific Ocean, typically influences weather patterns across the globe. Historically, La Niña events have been associated with altered rainfall patterns, temperature variations, and an increased likelihood of certain extreme weather events in various regions.
While the prospect of a La Niña might suggest a temporary respite from the extreme heat experienced in some parts of the world, experts are emphasizing that it does not signify a reversal of the long-term warming trend. The underlying drivers of climate change, primarily the increase in greenhouse gas concentrations in the atmosphere due to human activities, remain unabated. These greenhouse gases trap heat, leading to a sustained increase in global average temperatures.
Therefore, even with the potential onset of La Niña, the WMO anticipates that 2025 and subsequent years will likely continue to rank among the warmest on record. The lingering heat absorbed by the oceans and the atmosphere means that the planet’s thermal energy balance is significantly disrupted.
The WMO’s findings serve as a crucial reminder of the complex interplay between natural climate variability and anthropogenic climate change. While phenomena like La Niña and its counterpart, El Niño, exert considerable influence on year-to-year temperature and precipitation variations, their impact is superimposed on a backdrop of persistent global warming.
The organization is urging governments and communities worldwide to remain vigilant and prepared for a range of weather impacts that may arise from this evolving climate scenario. Understanding the potential regional consequences of La Niña, such as variations in agricultural yields, water availability, and the risk of extreme weather events, will be vital for effective adaptation and mitigation strategies.
As scientists continue to monitor the evolving climate system, this news underscores the ongoing need for robust climate action to address the root causes of global warming and build resilience to its far-reaching effects. The WMO remains committed to providing timely and accurate climate information to support global efforts in navigating these complex challenges.
Cooling La Niña could be back, but global temperatures set to rise: WMO
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