Climate | Class 11 Geography Notes
By ConceptScroll Team · Published on 17 July 2026 · 5 min read
Climate – this guide gives you a concise, exam-ready overview of Climate from Class 11 Geography, written by ConceptScroll editors and reviewed against the latest NCERT textbook.
Factors Determining the Climate of India
India's climate is influenced by several key factors that govern temperature, pressure, wind patterns, and precipitation. These factors include latitude, the Himalayan mountains, distribution of land and water, distance from the sea, altitude, and relief. Latitude determines the amount of solar radiation received; India extends from about 8°N to 37°N, with the Tropic of Cancer passing through its center. The southern part lies in the tropical zone with high temperatures and low temperature ranges, while the northern part lies in the subtropical and temperate zones with more extreme climates and higher temperature ranges. The Himalayas act as a climatic divide, protecting the subcontinent from cold Arctic winds and trapping monsoon moisture, causing heavy rainfall. The distribution of land and water affects heating and cooling rates; land heats and cools faster than water, creating pressure differences that drive monsoon winds. India's long coastline moderates climate in coastal areas, while interior regions experience more extreme temperatures. Altitude causes temperature to decrease with height, making mountainous areas cooler than plains at the same latitude. Relief features like the Western Ghats and Assam hills influence rainfall distribution by forcing moist winds to rise and shed moisture on windward slopes, creating rain-shadow areas on leeward sides. These factors collectively create the diverse climatic conditions observed across India.
🔗 Connection: This section leads into the discussion of the Inter Tropical Convergence Zone (ITCZ), a key atmospheric feature influencing India's monsoon climate.
Frequently asked questions
1. Choose the right answer from the four alternatives given below. (i) What causes rainfall on the coastal areas of Tamil Nadu in the beginning of winters? (a) South-West monsoon (b) Temperate cyclones (c) North-Eastern monsoon (d) Local air circulation (ii) What is the proportion of area of India which receives annual rainfall less than 75 cm? (a) Half (b) One-third (c) Two-third (d) Three-fourth (iii) Which one of the following is not a fact regarding South India? (a) Diurnal range of temperature is less here. (b) Annual range of temperature is less here. (c) Temperatures here are high throughout the year. (d) Extreme climatic conditions are found here. (iv) Which one of the following phenomenon happens when the sun shines vertically over the Tropic of Capricorn in the southern hemisphere? (a) High pressure develops over North-western India due to low temperatures. (b) Low pressure develops over North-western India due to high temperatures. (c) No changes in temperature and pressure occur in north-western India. (d) 'Loo' blows in the North-western India.
1.(i) (c) North-Eastern monsoon causes rainfall on the coastal areas of Tamil Nadu in the beginning of winters because during this period, the North-East monsoon winds blow from the Bay of Bengal towards Tamil Nadu bringing rainfall.
1.(ii) (b) One-third of the area of India receives annual rainfall less than 75 cm. This is because large parts of western Rajasthan, Gujarat, and some parts of the Deccan plateau receive less rainfall.
1.(iii) (d) Extreme climatic conditions are found here is NOT
2. Answer the following questions in about 30 words. (i) What is the Inter-Tropical Convergence Zone? (ii) What is meant by 'bursting of monsoon'? Name the place of India which gets the highest rainfall. (iii) Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?
(i) The Inter-Tropical Convergence Zone (ITCZ) is a low-pressure belt near the equator where the trade winds of both hemispheres meet, causing heavy rainfall and thunderstorms.
(ii) 'Bursting of monsoon' refers to the sudden onset of heavy rainfall marking the arrival of the monsoon. Mawsynram in Meghalaya receives the highest rainfall in India.
(iii) Temperate cyclones cause rainfall in north-western India during winter. They originate over the Mediterranean Sea and move eastwards bringing wi
3. Answer the following questions in not more than 125 words. (i) Notwithstanding the broad climatic unity, the climate of India has many regional variations. Elaborate this statement giving suitable examples. (ii) How many distinct seasons are found in India as per the Indian Meteorological Department? Discuss the weather conditions associated with any one season in detail.
(i) Although India has a broad climatic unity due to its location in the tropical zone, there are many regional variations caused by factors like altitude, distance from the sea, and relief features. For example, the Himalayan region experiences cold winters with snowfall, while the Thar Desert has extreme temperatures and scanty rainfall. Coastal areas have moderate temperatures and high humidity, whereas the interior regions experience more temperature variation.
(ii) The Indian Meteorologica
Project/Activity On the outline map of India, show the following: (i) Areas of winter rain (ii) Wind direction during the summer season (iii) Areas having less than 15° C temperature in January (iv) Isohyte of 100 cm.
This is a map-based activity. Students should mark:
(i) Areas of winter rain such as north-western India including Punjab, Haryana, and parts of Rajasthan.
(ii) Wind direction during the summer season showing south-west monsoon winds blowing from the Arabian Sea and Bay of Bengal towards the Indian landmass.
(iii) Areas having less than 15°C temperature in January, mainly northern plains and Himalayan foothills.
(iv) Isohyte of 100 cm indicating regions receiving 100 cm annual rainfall, such
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