Chennai in October

Listed as a month to avoid: May–Jun (35–42°C (95–108°F)), Oct–Dec (northeast monsoon rain).Listed as a month to avoid: May–Jun (95–108°F (35–42°C)), Oct–Dec (northeast monsoon rain).

October is rated avoid. These months rate higher:

• NovemberGreatInside Chennai's best window: Nov–Feb.
• DecemberGreatInside Chennai's best window: Nov–Feb.
• JanuaryGreatInside Chennai's best window: Nov–Feb.
• FebruaryGreatInside Chennai's best window: Nov–Feb.

• ChennaiHighs around 32 °C (90 °F), lows around 25 °C (77 °F), rain on about 12 daysHighs around 90 °F (32 °C), lows around 77 °F (25 °C), rain on about 12 days
• Tamil Nadu and the east coast, India · Chennai, Madurai, Puducherry, Mamallapuramrainy

  Opposite rhythm: the north-east monsoon and cyclones hit October–December; January–February is the easy window.

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Durga Puja and Dussehra big impact

  ~17–21 Oct 2026 (check) · India

  Kolkata's pandals draw millions; trains to the east sell out; effigies burnt across the north on Dussehra.

• Diwali big impact

  ~8 Nov 2026; ~29 Oct 2027 (check) · India

  Biggest travel week of the year: trains and flights full, fireworks for days, smog spikes in the north.

Crowds · India overall

Medium

Prices · India overall

Medium

India overall: Post-monsoon clarity in the north and hills; Durga Puja and Dussehra; the south-east coast turns wet.

Weather, crowds and prices for any two months in Chennai, side by side.

• Light, breathable clothes, a sun hat and sunscreen
• A rain jacket or umbrella and shoes that dry fast

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