monsoon

Table of Contents

Introduction References & Edit History Related Topics

Images

Map of climatic heat sources and heat sinks for Asian summer and winter monsoons.

Wind and rainfall patterns of the Australian monsoon.

Assam state, India: monsoon

Map showing the average date of onset of the summer monsoon across Asia.

Average withdrawal date of the summer monsoon across South Asia.

2010 flooding in Pakistan

Wind and rainfall patterns of the West African monsoon.

Read Next

High-oblique view of the extra-tropical unnamed cyclone that merged with Hurricane Earl is featured in this image taken by an Expedition 24 crew member on the International Space Station (Sept. 2010).

Is the Number of Hurricanes Increasing?

Discover

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day

Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)

Washington, D.C. locator map.

What State Is Washington, D.C. In?

Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet

Major Mass Extinctions

Demystified - Do Lemmings Really Commit Mass Suicide? illustration

Do Lemmings Really Commit Mass Suicide?

Time zone map with standard time zones and International Date Line

Why Are Some Time Zones 30 Minutes Off Instead of an Hour?

Iraqi Army Soldiers from the 9th Mechanized Division learning to operate and maintain M1A1 Abrams Main Battle Tanks at Besmaya Combat Training Center, Baghdad, Iraq, 2011. Military training. Iraq war. U.S. Army

8 Deadliest Wars of the 21st Century

monsoon: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: May 30, 2025

News •

Rains highlights: IMD issues red alert to Kozhikode, Wayanad; Monsoon advancing towards Maharashtra • May 26, 2025, 7:54 AM ET (The Hindu)

2025 | Monsoon arrives early in Telangana, likely to cover entire State within a day • May 26, 2025, 4:36 AM ET (The Hindu)

Monsoon arrives in Kerala, earliest onset since 2009: IMD • May 25, 2025, 4:38 AM ET (The Indian Express)

Photos

Map of climatic heat sources and heat sinks for Asian summer and winter monsoons.

Wind and rainfall patterns of the Australian monsoon.

Assam state, India: monsoon

Map showing the average date of onset of the summer monsoon across Asia.

Average withdrawal date of the summer monsoon across South Asia.

2010 flooding in Pakistan

Wind and rainfall patterns of the West African monsoon.

See All Images →

Topics

Indian monsoon West African monsoon Malaysian-Australian monsoon burst winter monsoon summer monsoon break of the monsoon North American monsoon El Niño wet season tropical cyclone tropical storm intertropical convergence zone trade wind Why Is Summer Warmer Than Winter?autumn summer spring winter

Dig Deeper: More Articles That Discuss This Topic

Quiz

Lightning over a farm field. Weather electricity thunderstorm light energy tree

Facts You Should Know: Weather Quiz

Umbrella colored like a rainbow sticking out above a sea of black umbrellas while it rains. (storm, weather)

Weather Words Vocabulary Quiz

rain. Child in the rain, wearing a rain coat, under a yellow umbrella. April Showers weather climate rain storm water drops

April Showers to March’s Lions and Lambs