Tomorrow in Chennai looks
smoky haze, with a high of 84°
and an overnight low of 76°.
Precipitation chance is modest at 19%.
Winds top out near 12 mph,
and the UV index reaches 4 (moderate).
Even January, the coolest month, has average highs near 82°F (28°C). May is hottest, so the main seasonal change is intensity rather than a move from warm to cold.
Plan around moisture and heat
Rain and sunshineAbout 1311 mm (51.6 inches) falls across 138 wet days, with 9.9 hours of sunshine on an average day.
Typical day and nightChennai averages 89°F (32°C) by day and 77°F (25°C) at night across the year.
Seasonal changeMay highs reach 95°F (35°C), while January lows fall to 72°F (22°C).
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.