Written by Dr Rockson Samuel

Is Chennai one of the Hottest cities in India?

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  • Posted 1 day ago

Yes, Chennai is one of the hottest cities in India, especially during the summer months. Known for its tropical climate, Chennai experiences scorching heat and high humidity, with temperatures often exceeding 40°C from April to June.

3 reasons why Chennai is one of the hottest cities in India

  1. Tropical Coastal Climate
    Being located close to the equator and on the coast, Chennai experiences hot and humid weather throughout the year.
  2. Urban Heat Island Effect
    High levels of urbanization, concrete structures, and reduced green cover trap heat, increasing local temperatures.
  3. Limited Rainfall in Summer
    Chennai receives little to no rain before the monsoon, intensifying the heat during the pre-monsoon months.

How hot does Chennai get during summer?

  • April to June: Temperatures often range between 35°C to 42°C.
  • Humidity Levels: Humidity stays high, reaching 70%-80%, making it feel hotter.
  • Peak Summer: May is the hottest month, with temperatures touching 45°C in extreme conditions.

How does Chennai’s heat compare to other cities in India?

CitySummer Temperature (°C)Climate Type
Chennai35°C – 42°CTropical, humid
Delhi40°C – 45°CDry, semi-arid
Ahmedabad40°C – 44°CHot, dry
Bangalore30°C – 35°CModerate, pleasant

While cities like Delhi and Ahmedabad record higher peak temperatures, Chennai’s high humidity makes it feel hotter.

Why is Chennai’s heat more challenging than other cities?

  1. Humidity
    Unlike dry heat in northern cities, Chennai’s humidity makes it harder for sweat to evaporate, increasing discomfort.
  2. Lack of Significant Winds
    During summer, sea breeze may reduce heat only slightly, especially during peak daytime hours.
  3. Extended Summers
    Chennai’s summer season lasts longer, often starting in March and continuing until the monsoon arrives in June.

How to cope with Chennai’s summer heat?

  • Stay Hydrated: Drink plenty of water, coconut water, and fresh juices.
  • Avoid Peak Sun Hours: Limit outdoor activities between 11 AM and 4 PM.
  • Wear Light Clothing: Use loose, cotton clothes to stay cool.
  • Seek Shade and Cooling: Use hats, umbrellas, or stay in air-conditioned environments during the afternoon.

5 FAQs about Chennai being one of the hottest cities

How hot does Chennai get in peak summer?

During peak summer in May, Chennai’s temperatures can reach 42°C to 45°C, with high humidity levels.

Why does Chennai feel hotter than other Indian cities?

Chennai’s coastal location causes high humidity, which makes the heat feel more intense and uncomfortable.

Is Chennai hotter than Delhi?

In terms of temperature, Delhi is hotter, but Chennai’s humidity makes the heat more challenging to endure.

When does Chennai’s summer season end?

Chennai’s summer typically ends with the onset of the Southwest Monsoon in late June.

What is the best time to visit Chennai?

The best time to visit Chennai is from November to February, when temperatures are cooler and more pleasant.

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