The climate of India is a symphony of extremes. It is a system where the fate of billions is tied to the arrival of a wind system and the melting of mountain snow. It dictates the agricultural calendar, influences the architectural styles of homes, and shapes the very rhythm of daily life. To understand India is to understand its seasons—a cycle of scorching heat, life-giving rain, and pleasant cool, rotating in an ancient, enduring rhythm.
Indian Meteorological Department (IMD) identifies four primary seasons: Know India +1 Winter (December to February): Characterised by clear skies, low humidity, and pleasant temperatures in most areas. Northern India can see temperatures drop significantly, while the south remains warm. Summer / Pre-Monsoon (March to May): A period of rising temperatures across the country. Northern and central regions often experience intense heat, with temperatures exceeding 40°C. Monsoon / Rainy (June to September): The most critical season, bringing over 75% of India’s annual rainfall. It starts in the south and moves northward, driven by moisture-laden winds from the Indian Ocean. Post-Monsoon / Retreating Monsoon (October to November): A transition period as the monsoon winds withdraw. It often brings clear skies to the north but can trigger cyclonic activity and rain in the south and east. Ek Bharat Shrestha Bharat +3 Major Climatic Regions India’s diverse geography creates distinct regional climates: CuriousJr +1 Himalayan Region: Alpine climate with snowy winters and cool summers. Northern Plains: Subtropical with extreme temperature variations—scorching summers and very cold winters. Thar Desert: Arid climate with high heat, low rainfall, and sharp day-to-night temperature changes. Western & Eastern Coasts: Tropical wet climate with high humidity and heavy rainfall, moderated by the sea. Deccan Plateau: Semi-arid with hot summers and mild, dry winters. NEXT IAS +1 Factors Influencing the Climate The Himalayas: Act as a giant barrier, blocking cold winds from Central Asia and trapping monsoon winds to ensure rainfall within the subcontinent. Latitude: The Tropic of Cancer divides the country; the south is generally warmer and more tropical, while the north is subtropical. Proximity to the Sea: Coastal cities like Mumbai and Chennai enjoy moderate temperatures, whereas inland cities like Delhi experience more "continental" extremes. Altitude: Higher elevations, such as hill stations (Shimla or Ooty), remain cool even during peak summer. NEXT IAS +1 Would you like a more detailed breakdown of the what climate in india
Highly dry across the mainland, except for snow and rain brought to the Himalayas by Western Disturbances . 2. Summer / Pre-Monsoon (March to May) The climate of India is a symphony of extremes