Current Weather and Forecast in Chennai, India
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About the weather in Chennai
Chennai has a tropical wet-and-dry climate. May is the warmest month, with average highs of 95°, and January the coldest, when nights fall to around 72°. November brings the most rain, on about 21 days, while March is the sunniest, with 11.6 hours of sunshine a day. Over a whole year it rains on roughly 138 days.
Chennai climate guide: monthly averages, seasons and the best time to visit
Common questions
What should I pack for Chennai?
It depends on the month: May runs to 95°F (35°C) while January holds at 82°F (28°C). The full month-by-month breakdown is in the packing notes above.
What is the rainiest month in Chennai?
November, at 14.0 inches (356 mm) over about 21 days. February is the driest month, at 5 mm (0.2 in).
When is Chennai at its hottest?
May, averaging 95°F (35°C) by day and 82°F (28°C) overnight. The hottest single day in our 2015-2024 record for this location reached 108°F (42°C).
When should I visit Chennai?
Aim for December to March if you get the choice: humidity and rainfall are at their lowest, which is what actually varies here, and highs average 85°F (29°C) against roughly 5 wet days a month. For the same question asked the other way round, see where else is warm in December.
How long does summer last in Chennai?
Average highs hold at 30°C or above for 8 months of the year. Outside that, January pulls back to 82°F (28°C).
Does it snow in Chennai?
Effectively no. The 2015-2024 record for Chennai shows no regular measurable snowfall.
When is Chennai at its coldest?
January, with highs of 82°F (28°C) and lows near 72°F (22°C). The coldest day in the 2015-2024 record fell to 62°F (17°C).
How many rainy days does Chennai get in a year?
About 138 days bring measurable precipitation, totalling 51.6 inches (1311 mm). That works out at roughly 9.5 mm on an average wet day.