UPSC Notes

Southwest Monsoon in India

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

Fundamental to understanding India's climate, agriculture, water security, and disaster management challenges. Its variability has profound socio-economic impacts on the country.

The Southwest Monsoon is a seasonal wind system that brings significant rainfall to the Indian subcontinent from June to September, crucial for India's agriculture and water resources. It is characterized by its spatial and temporal variability, leading to diverse rainfall patterns across regions.

Phase IIStatic core

Facts & tables

Key facts

Primary rainfall source

Provides most of India's annual rainfall from June to September.

Variability

Characterized by significant spatial and temporal variability across regions and weeks.

Monitoring

Monitored by the India Meteorological Department (IMD) against the Long Period Average (LPA).

Economic Impact

Crucial for agriculture, water resources, drinking water, and groundwater levels in India.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaIndian Climate

Reference table

Institutions & roles

BodyRole
India Meteorological Department (IMD)Monitors rainfall, provides forecasts and warnings
Ministry of Earth SciencesOversees imd, strengthens weather forecasting through initiatives like mission mausam
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Statement-based questions

Prelims angle: Conceptual understanding

Quick revision

  • Primary rainfall source (June-Sept).
  • High spatial & temporal variability.
  • Monitored by IMD against LPA.
  • Critical for agriculture & water.
  • Impacts assessed by concerned ministries/states.

High-confidence PYQs

Topic timeline

Indian Climate

PARLIAMENT QUESTION: RAINFALL DEFICIT

22 Jul 2026 · The Southwest Monsoon is India's primary rainy season, vital for the economy but marked by inherent spatial and temporal variability, requiring continuous monitoring by IMD.

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Related topics

Current topic

Southwest Monsoon in India

Practice writing on this topic

UPSC has asked 8 linked questions on Southwest Monsoon in India in Mains. Write an answer to one — and get it evaluated.