Average temperatures, rainfall and packing tips for Chennai, India in October
October in Chennai is typically hot, with average daytime highs around 31°C and nights near 25°C. Temperature-wise it sits mid-range for Chennai (the 9th warmest month).
October is one of the wetter months in Chennai, with around 248 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Chennai are usually January, November and December.
← Chennai weather tomorrow (live)
In October, Chennai averages a daytime high of about 31°C and a night-time low of around 25°C, based on recent historical data.
October is one of the wetter months in Chennai, with around 248 mm of rain - plan around showers.
October is a workable time to visit Chennai, with hot days - just pack accordingly. If your dates are flexible, the most comfortable months in Chennai are usually January, November and December.