La Nina, which results in rain and floods in Asia, particularly India, could emerge for a brief period before the first half of December this year and end by February 2026, the Australian Bureau of Meteorology (BoM) has said.

“The Bureau’s model currently predicts the tropical Pacific is likely to meet La Niña levels briefly during spring (September 23-December 23, 2025), before returning to neutral by summer (December -February). International models indicate some further cooling is likely, also reaching La Niña levels during spring, with all but one returning to neutral by the end of summer,” BoM said in its latest Climate Driver update.

For a La Niña event to be considered established, an atmospheric response would also need to be observed. As of now, the El Niño–Southern Oscillation

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