Chennai
City in India
Chennai is a city in India with a population of about 6.6 million in 2024. Located 1,756 km from New Delhi, it draws visitors to sights such as Fort St. George and St. Thomas Cathedral Basilica, Chennai.
What to see
Visitors can explore historical and architectural landmarks in the city. Key sights include Fort St. George and St. Thomas Cathedral Basilica, Chennai.
When to go
January and February have daily highs of 27 °C to 28 °C and lows of 22 °C to 23 °C with low rainfall of 21 mm to 31 mm on 1 to 3 days. March through May see daily highs rise from 31 °C to 34 °C. Rain increases from June through December, with extreme rainfall recorded in October, November, and December.
Getting there
The nearest airport is Chennai International Airport, located 15 km from Chennai.
Top sights in Chennai
Weather by month
The warmest month is May, with an average high of 34 °C. The wettest is October, with about 6,554 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 27 | 29 | 31 | 33 | 34 | 34 | 33 | 32 | 32 | 30 | 28 | 27 |
| Average low, °C | 22 | 23 | 24 | 27 | 28 | 28 | 27 | 27 | 26 | 25 | 24 | 23 |
| Rainfall, mm | 31 | 21 | 10 | 18 | 53 | 63 | 90 | 121 | 132 | 6,554 | 6,554 | 6,554 |
| Rainy days | 3 | 1 | 1 | 2 | 8 | 16 | 20 | 22 | 21 | 20 | 20 | 11 |
Temperatures and rainfall: 1981–2010 averages for Chennai (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.