The APCC ENSO Alert suggests “Inactive”. La Nina is expected to be end in coming months.
MME Temperature & Precipitation Seasonal Outlook for December 2025 ~ May 2026
Above normal temperatures is mostly probable for the globe except for the central and eastern tropical Pacific, and some region in the other tropical oceans for December 2025 — May 2026.
Above normal precipitation is predicted for the Arctic and adjacent region of northern continents, Western equatorial Pacific and subtropical north and south Pacific and central America. Below normal precipitation is predicted for the tropical Atlantic and western Indian Ocean, East Asia, equatorial central Pacific and off-equatorial eastern Pacific for December 2025 – February 2026. Similar pattern of precipitation with lower probability is expected during March – May 2026 except for central equatorial Pacific.
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Climate Information Service
APCC produces high-cost climate data and information by operating a real-time and highly-validated climate prediction system based on a multi-climate model ensemble (MME) technique. APCC also carries out research in order to enhance capacity in the monitoring and prediction of weather and climate in the Asia-Pacific region and beyond.
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