April 2025 JMA Rainfall Anomaly (mm)

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April 2025 Rainfall (JMA) Analysis

In April 2025, above-normal rainfall was observed over parts of southern Myanmar, western Indonesia (including areas near Singapore and Sumatra), southern Philippines, and eastern Indonesia including Papua.

In contrast, below-normal rainfall affected central Vietnam, Laos, Cambodia, eastern Thailand, and parts of Borneo and Sulawesi. Most other areas in Southeast Asia experienced near-average rainfall.

The maps on the right (top to bottom) indicate the observed rainfall for April 2025, along with the climatological normal from 1991 to 2020, providing context for the anomaly map on the left.

April 2025 JMA Rainfall (mm)

April JMA Normal Rainfall (1991-2020) (mm)