US EditionCooling La Nina may return in coming months: UN
The World Meteorological Organization reports a 55-60% chance of La Nina between September and December 2025 amid continuing global temperature rises.
- On September 2, 2025, the United Nations reported a likelihood that La Niña conditions could develop in the equatorial Pacific during the September to November period.
- This announcement follows the 2020-2023 La Niña, which was an unusually long triple-dip event that intensified drought and flooding but did not stop record global warming.
- The World Meteorological Organization reported a 55 percent chance of La Niña conditions cooling sea surface temperatures in September-November 2025, rising slightly to 60 percent for October-December, with little chance of El Niño developing.
- WMO Secretary-General Celeste Saulo emphasized that seasonal forecasts serve as a vital climate intelligence resource, helping to protect thousands of people by informing preparedness and response efforts, while also delivering substantial economic benefits across sectors such as agriculture, energy, health, and transportation.
- Although La Niña may return, temperatures are still projected to be higher than usual due to the ongoing influence of human-driven climate factors that raise global temperatures and modify seasonal weather patterns.
25 Articles
25 Articles
The climate phenomenon La Niña could reappear from September, but temperatures will continue to be higher than average, said the World Meteorological Organization (WMO), a UN agency. Since March 2025 neutral conditions persist - which do not indicate an episode of El Niño or La Niña - and the anomalies of the temperature of the equatorial Pacific surface remained close to the average, according to WMO. "However, in the coming months, possibly fr…
The Girl could be formed in September with up to 60% probability, according to the UN. Still, global heat will remain higher than normal.
La Niña may return but temperatures will remain high, UN says
GENEVA, Switzerland — The cooling La Niña weather phenomenon may return between September and November, but even if it does, temperatures are nonetheless expected to be above average, the United Nations said Tuesday.La Niña is a naturally occurring climate phenomenon that cools surface temperatures in the central and eastern equatorial Pacific Ocean. It brings changes in winds, pressure and rainfall patterns.Conditions oscillate between La Niña …
The World Meteorological Organization (WMO) probably sees that the phenomenon known as La Niña, the one that causes the cooling of global temperatures, begins to be noticed from this month. Specifically, the organism states that for the period between September and November the probability that the temperatures of the surface of the equatorial Pacific Sea will fall to reach values according to an episode of La Niña is 55%, while that of keeping …
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