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Chennai Climate by Month

The graphs below provide an overview of the climate in Chennai (Tamil Nadu), India. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Chennai

Sun   Jul 21
37°C | 27°C
W 14 km/h
5.3 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Jul 22
36°C | 27°C
W 14 km/h
broken clouds and no rain

broken clouds and no rain

Tue   Jul 23
36°C | 27°C
W 14 km/h
2.2 mm
broken clouds and slight rain

broken clouds and slight rain

The best time of year to visit Chennai in India

Chennai formally known as madras has a tropical wet and dry climate. The hottest part of the year is from May to early June and we would avoid travelling to the city in this period. Chennai gets most of its seasonal rainfall from the north–east monsoon winds, from mid–October to mid–December. Cyclones in the Bay of Bengal sometimes hit the city. The best time of year to visit Chennai is from January until March.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Chennai?
    Most rainfall (rainy season) is seen in October and November.
  • Does Chennai have a dry season?
    Yes, the months of January, February, March and April are very dry.
  • Which is the hottest month in Chennai?
    May has an average maximum temperature of 36°C and is the hottest month of the year.
  • Which is the coolest month in Chennai?
    The coolest month is January with an average maximum temperature of 29°C.
  • Which is the wettest month in Chennai?
    November tops the wettest month list with 231 mm of rainfall.
  • Which is the driest month in Chennai?
    February is the driest month with 9 mm of precipitation.
  • Which is the sunniest month in Chennai?
    May is the sunniest month with an average of 301 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.