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Last updated on 28 Aug 2026

RAINFALL

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Period:

Monthly Rainfall Outlook: December 2023

Issued: 30 Nov 2023

For December 2023, below-normal rainfall is predicted over the southern and eastern Maritime Continent. Above-normal rainfall is predicted around the Malay Peninsula and over parts of Borneo.

Figure 1: Rainfall tercile summary predictions of NCEP model for December 2023 (contains modified Copernicus C3S information).

Figure 2: Rainfall tercile summary predictions of ECMWF model for December 2023 (contains modified Copernicus C3S information).

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