What May feels like in Chennai
May is part of Chennai's dry season, when rain totals drop well below the wet months. Afternoons are very hot — outdoor plans work best early in the day or after sunset. Evenings ease the heat only slightly, and nights remain very warm. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Chennai in May
Most days stay dry; rain arrives about one day in 6. When rain comes it is heavy, about 11.6 mm (0.5 in) per wet day, often in short, strong bursts. That is heavier than Chennai's usual 9.2 mm per rainy day across the year.
Daylight and sunshine in May
On 15 May the sun rises at about 5:43 am and sets around 6:27 pm local time, giving 12 h 43 min of daylight. The days are stretching out — 19 min more daylight than mid-April. Close to the equator, sunrise and sunset times move very little through the year. Measured sunshine covers about 87% of the daylight — skies are mostly clear.
How May compares to the rest of the year
In Chennai's temperature order, May sits as the warmest month. Against April, the average high is 1.8°C (3.2°F) higher, with 46 mm more rain. June continues the upward trend. By June, typical highs are 35.5°C (95.9°F).
Who May suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: a good fit — hot coastal weather.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Chennai in May
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Chennai in May?
It feels very hot: typical highs are 36°C (96.8°F), with lows near 28°C (82.4°F).
Does it rain a lot in Chennai in May?
Only moderately: roughly 5 wet days and 58 mm, usually moderate rain.
What should I wear in Chennai in May?
Based on the averages: sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is May or June better for visiting Chennai?
May scores better on our climate ranking (#5 of 12 vs #7), rated Good against Fair. June has more rainy days.