Advancing vs. Retreating Monsoon: Key Differences Explained
Advancing vs. Retreating Monsoon: Key Differences Explained
IN · Published Sep 7, 2026
India experiences two distinct phases of monsoon winds annually: the Advancing Monsoon, also known as the Southwest Monsoon, and the Retreating Monsoon, referred to as the Northeast Monsoon.
The Advancing Monsoon marks the onset of the rainy season, occurring from June to September, and is driven by the summer heat creating a low-pressure area in northern India.

Impact & Risks

The Advancing Monsoon is crucial for agriculture, replenishing water resources, and supporting ecosystems across India. However, it can also lead to flooding in low-lying areas, landslides in hilly regions, and disruptions to daily life. Coastal states such as Kerala, Goa, and Maharashtra, as well as Northeastern states like West Bengal, are particularly affected by heavy rainfall during this period. The Retreating Monsoon, while less intense, can still bring sporadic rainfall and impact post-monsoon agricultural activities.

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