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    • * Effective from April 2022, ENSO alert information will be updated twice (around the 15th and 30th) each month to reflect the latest observation.

    Temperature and Precipitation

    • Our seasonal forecasts are issued on the 15th of each month. In the case that the 15th falls on a weekend or national holiday, they are issued on the first workday after the 15th.
    • The APCC seasonal forecast is produced through a multi-model ensemble method, utilizing climate models from 15 climate forecasting centers and institutions in 11 countries around the world. Our forecast information should be used for reference only. Please consult the respective country's national meteorological service for the official seasonal forecast for that country.