The city
City Overview, Culture & Heritage, Climate. 6 min read.
01City Overview
What Chennai is like
Chennai quietly powers Asia's industry.
Thirty percent of India's vehicles are built within an hour of the city, by Hyundai, BMW, Renault-Nissan and Daimler. Cognizant, Apollo Hospitals and Carnatic music were all born here. No other major Indian city is a beach city, a car-making capital and an IT power at once, and Chennai is also the centre of Tamil cultural life.
12.6M
Metro Population
India's sixth-largest metropolis
$103B
Metro Nominal GDP
Auto, IT & healthcare engines
5L+
IT Workers on OMR
India's 4th-largest IT exporter
13km
Marina Beach Length
Natural urban beach, Fort St George to Foreshore Estate
Detroit of India
Hyundai, BMW, Renault-Nissan, Daimler, 30% of India's vehicle output built here
OMR IT Corridor
Cognizant's big campuses, Zoho HQ, TCS Siruseri, India's 4th largest IT exporter
Apollo's Hometown
Apollo was founded in Chennai in 1983. South Asia's first proton therapy centre is here.
Margazhi Music Season
Dec-Jan: 3,000+ Carnatic and Bharatanatyam performances across 30+ sabhas
Beach City
Marina, Elliot's, ECR, coastal living that no other Indian metro offers
International Schools
American International School, KC High, Lady Andal, British International, full international spectrum
Metro Phase 2
118 km expansion underway, Madhavaram to Sholinganallur, plus Lighthouse to Poonamallee
Filter Coffee Capital
Davarah-tumbler filter coffee is religion here. Sangeetha, Murugan Idli, Ratna Café are institutions
Temple Heritage
Kapaleeshwarar (Mylapore), Parthasarathy (Triplicane), Marundeeswarar (Thiruvanmiyur), centuries of devotion
SE Asia Gateway
Singapore, KL, Colombo, Bangkok, Male, direct flights make Chennai SE Asia's Indian gateway
Tamil Cultural Pride
The cultural heart of Tamil Nadu, Kollywood cinema, Bharatanatyam, Tamil literature live here
Auto + IT + Healthcare
A rare three-engine economy that buffers Chennai through global cycles
2026 Infrastructure Watch: Chennai Metro Phase 2 (three new corridors, 118 km, 128 stations) is rolling out from 2026 onwards, and the Madhavaram-Sholinganallur Red Line will help OMR commuters most. Chennai Airport's Terminal-3 expansion is due to open in 2026. The Chennai Peripheral Ring Road is unlocking new western suburb supply. Improved road connectivity to Mahabalipuram via the upgraded ECR is shaping coastal premium pricing.
02Culture & Heritage
History and the arts
Modern Chennai (once Madras) dates from 1639, when the British East India Company built Fort St. George.
Tamil civilisation goes back two thousand years. It gave the world Sangam literature, the rock-cut temples of the Pallava and Chola dynasties, Carnatic music and Bharatanatyam dance, and today it has the Tamil film industry. Every December the city holds a month-long festival of classical music and dance, the largest of its kind in the world.
Dec-Jan
Margazhi Music Season
Chennai's signature cultural moment, often called the world's largest classical music festival. More than 3,000 Carnatic music and Bharatanatyam performances across 30+ sabhas (concert halls) over six weeks. Highlights: Music Academy, Narada Gana Sabha, Krishna Gana Sabha, Mylapore Fine Arts. Most concerts are free or modestly ticketed. Even non-aficionados should attend one, it's a defining Chennai experience.
Photo: Hishampgm, CC BY-SA 4.0Jan 14-17
Pongal · Tamil Harvest Festival
Tamil Nadu's most important annual celebration. Four days: Bhogi Pongal (cleansing), Thai Pongal (boiling milk-rice), Mattu Pongal (cattle worship), Kaanum Pongal (family). Houses are decorated with elaborate kolam patterns. Traditional sweet pongal is shared with neighbours. Public holiday, many businesses close. The single most authentic Tamil festival to experience.
Photo: Xorx, CC BY-SA 4.0Year-round
Mahabalipuram · UNESCO Heritage
Sixty kilometres south on the East Coast Road, the 7th-8th century Pallava-dynasty rock-cut temples of Mahabalipuram (Mamallapuram) are a UNESCO World Heritage Site. The Shore Temple, Pancha Rathas, Arjuna's Penance bas-relief, and the precarious "Krishna's Butter Ball" boulder. An hour's drive lands you in some of South Asia's most significant pre-modern sculpture.
Photo: Yercaud-elango, CC BY 4.0Aug 22
Madras Day & Mylapore Festival
Madras Day (August 22) marks Chennai's official founding in 1639, weeks of heritage walks, history talks, and exhibitions. The Mylapore Festival (January) brings live music, street food, and Kolam competitions to the streets around Kapaleeshwarar Temple. Chennai Sangamam in January adds rural Tamil folk arts to the calendar.
Christian Heritage
Santhome Basilica
One of only three churches in the world built over the tomb of an apostle, the Santhome Basilica in Mylapore stands above the resting place of St Thomas, who is believed to have reached the Tamil coast in the 1st century AD. The soaring neo-Gothic white spire is a Chennai landmark; the adjoining museum and the quiet seaside setting near Marina Beach make it an essential stop on any heritage walk.
03Climate
Chennai's three seasons
Chennai is a tropical city on the coast, and its weather comes from the Bay of Bengal and the Northeast Monsoon. The humidity is the biggest thing new arrivals have to get used to. The pleasant months, December to early March, line up almost exactly with the Margazhi music and dance season, and that is no accident.
- 21 to 29°JanPleasant
- 22 to 31°FebPleasant
- 24 to 33°MarWarm
- 27 to 35°AprHot
- 28 to 37°MayPeak Hot
- 28 to 37°JunHumid
- 26 to 35°JulHumid
- 26 to 35°AugHumid
- 26 to 34°SepHumid
- 25 to 32°OctNE Monsoon
- 23 to 30°NovCyclone Peak
- 22 to 29°DecMargazhi
Each month shows the average daily low and high in °C, from the India Meteorological Department's 1991 to 2020 normals for Chennai (Nungambakkam). Checked 7 Oct 2026.
Winter · Chennai's Finest Window
December · February
Chennai's most pleasant season. About 21 to 31°C, lower humidity, sea breezes from the Bay of Bengal. The social and cultural calendar is at its busiest, Margazhi Music Season, Mylapore Festival, Chennai Sangamam, Pongal. This is the season Chennaiites live for and visitors should plan around. Pack a light shawl for late January / early February evenings.
Margazhi Music Season, book sabha concerts early
Beach mornings at Marina and Besant Nagar are perfect
Peak social season, restaurants and Boat Club are booked weeks out
Hot & Humid Summer
March · July
Chennai's hardest season. Average highs reach 35 to 37°C from April to June, the hottest days pass 40°C, and humidity often above 75%. The "real-feel" temperature regularly exceeds 45°C. Air conditioning is non-negotiable. Many Chennai families relocate weekends to Yelagiri, Yercaud, or Pondicherry. Outdoor activities shift to dawn (5:30-7am) or post-sunset (7pm onwards). Hydration is critical, carry water everywhere and keep electrolyte sachets at home.
Real-feel 45°C+, limit midday outdoor exposure
Hydration + ORS sachets are essential
AC servicing before March is non-negotiable
Northeast Monsoon
October · December
Chennai's main rainfall comes not in the Southwest monsoon (which mostly skirts the city) but in the Northeast monsoon from October through early December, November is the peak month for Bay of Bengal cyclones. The rain is heavy, often cyclonic, storms like Vardah (2016) and Michaung (2023) can disrupt the city for days. Low-lying areas (T. Nagar, Velachery, parts of Mylapore) flood. Generator (DG set) reliability matters. Most years the monsoon ends by mid-December, releasing the magnificent Margazhi window.
Cyclone alerts via NDMA, IMD WhatsApp groups, follow them
Avoid ground-floor units in T. Nagar / Velachery if you can
Generator (DG set) reliability is critical, verify before signing
.jpg){kind=link}
Already moving with IKAN?
Your homes, dates and papers are in i-Navigate, IKAN's app for families. It opens with the email address your IKAN consultant has for you, then sends you a six digit code.
Open your move Not moving with IKAN yet? Write to relo@ikan.com and a consultant will reply.