What's on in Chennai (Madras), India through the year

Chennai, India has 5 curated events through the year — 1 festival, 1 holiday, 1 season and 2 hazard seasons. The ones to plan around: Margazhi music season (December) and Pongal (January). December to January are its peak-crowd months.

Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not

Best time to visit Chennai (Madras): weather, crowds and notes →

Chennai (Madras) events and crowds by month

MonthWhat startsCrowds
JanuaryPongalPeak crowds
FebruaryBusy
MarchBusy
AprilBusy
MayAgni Natchathiram heatBusy
JuneBusy
JulyShoulder season
AugustShoulder season
SeptemberShoulder season
OctoberBay of Bengal cyclone season, Northeast monsoonBusy
NovemberQuiet
DecemberMargazhi music seasonPeak crowds

January in Chennai (Madras)

Chennai (Madras) weather in January

Peak crowds — Pongal, Margazhi music season

  • Holiday

    Pongal

    13–17 Jan · usuallyHarvestClosures

    Four days of harvest holiday. The city empties towards the villages, offices and many restaurants shut, and every bus and train out is booked a fortnight ahead. Source ↗

Still on: Margazhi music season (15 Dec – 15 Jan)

February in Chennai (Madras)

Chennai (Madras) weather in February

Busy — school holidays in 2 of the markets that fill it, one of its best months for weather

Nothing new starts in February.

March in Chennai (Madras)

Chennai (Madras) weather in March

Busy — school holidays in 2 of the markets that fill it, one of its best months for weather

Nothing new starts in March.

April in Chennai (Madras)

Chennai (Madras) weather in April

Busy — Summer vacation (Kerala / far south) in India, school holidays in 2 of the markets that fill it

Nothing new starts in April.

Busy — Summer vacation (north & east) in India

  • Hazard

    Agni Natchathiram heat

    4–28 May · usuallyExtreme heat

    The fortnight the Tamil almanac names as the hottest of the year, and the city agrees with it. Schools are out, work starts early, and nobody crosses the Marina sand between eleven and four. Source ↗

June in Chennai (Madras)

Chennai (Madras) weather in June

Busy — Summer vacation (north & east) in India, school holidays in 2 of the markets that fill it

Nothing new starts in June.

July in Chennai (Madras)

Chennai (Madras) weather in July

Shoulder season — school holidays in 5 of the markets that fill it, an ordinary month

Nothing new starts in July.

August in Chennai (Madras)

Chennai (Madras) weather in August

Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month

Nothing new starts in August.

September in Chennai (Madras)

Chennai (Madras) weather in September

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

Nothing new starts in September.

October in Chennai (Madras)

Chennai (Madras) weather in October

Busy — Autumn break (Dussehra / Diwali) in India, school holidays in 2 of the markets that fill it

  • Hazard

    Bay of Bengal cyclone season

    1 Oct – 15 Dec · usuallyClosures

    A system or two a season comes close enough to shut the airport for a day and put the fishing fleet ashore. Warnings run several days out, so the cost is usually a lost day rather than a lost trip. Source ↗

  • Season

    Northeast monsoon

    15 Oct – 31 Dec · usuallyRisk

    Most of Chennai's rain falls in these ten weeks, in long grey spells rather than afternoon storms, and the low parts of the city go under when a depression parks offshore.

November in Chennai (Madras)

Chennai (Madras) weather in November

Quiet — one of its worst months for weather

Nothing new starts in November.

Still on: Bay of Bengal cyclone season (1 Oct – 15 Dec (usually)), Northeast monsoon (15 Oct – 31 Dec (usually))

December in Chennai (Madras)

Chennai (Madras) weather in December

Peak crowds — Margazhi music season, Winter break in India

  • Festival

    Margazhi music season

    15 Dec – 15 JanMajor festivalCrowded

    A thousand-odd Carnatic concerts across the sabhas of Mylapore and T. Nagar, most of them free or a few hundred rupees, and canteens people turn up for on their own account. Stay near Luz Corner. Source ↗

Still on: Bay of Bengal cyclone season (1 Oct – 15 Dec (usually)), Northeast monsoon (15 Oct – 31 Dec (usually))

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