Introduction - Concepts - Chapter 4 Class 9 Geography - Climate - Geography

Introduction 

• Climate is the sum total of weather conditions and variations over a large area for a long period of time (more than thirty years).
• Weather refers to the state of the atmosphere over an area at any point of time.
• Elements of the weather and climate are temperature, atmospheric pressure, wind, humidity, and precipitation.
• The climate of India - Monsoon type.
• The monsoon type of climate is most common in the south and southeast Asian countries.
• There is a regional variation in climatic conditions within the country. 
• For Example: In the summer , temperatures in some parts of the Rajasthan desert can reach 50°C , while temperatures in Pahalgam, Jammu, and Kashmir, can reach 20°C. 
• Similarly, on a winter night , the temperature in Drass, Jammu, and Kashmir, can drop to minus 45°C . Whereas  Thiruvananthapuram, on the other hand, may experience temperatures as high as 22°C.