---
title: "Northeast Monsoon (Retreating Monsoon) Explained"
description: "The Northeast Monsoon is crucial for southeastern India, bringing vital rainfall from October to December, especially benefiting Tamil Nadu and Andhra Pradesh."
url: "https://modeldiplomat.com/learn/glossary/northeast-monsoon"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Northeast Monsoon is the seasonal reversal of winds over the Indian subcontinent between October and December, carrying moisture-laden air from the Bay of Bengal to southeastern peninsular India.
- How does the northeast monsoon differ from the southwest monsoon?
- Why does the northeast monsoon mainly affect Tamil Nadu?
- Is the northeast monsoon linked to tropical cyclones?
- How does El Niño affect the northeast monsoon?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In December 2023, Cyclone Michaung made landfall on the Andhra Pradesh coast during the northeast monsoon, flooding Chennai and prompting Tamil Nadu's disaster-management authorities to evacuate thousands from low-lying coastal districts.

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