Monthly weather forecast and climate
Chennai, India

A staircase to the front entrance of the Ramakrishna Temple in Chennai, India
A staircase to the front entrance of the Ramakrishna Temple in Chennai, India

How much does it rain in Chennai?

In Chennai, during the entire year, the rain falls for 59.1 days and collects up to 1391.5mm (54.8") of precipitation.

What month is the sea coldest in Chennai?

Month with the coldest seawater in Chennai is January, with an average sea temperature of 26.8°C (80.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the driest month in Chennai?

The month with the least rainfall in Chennai, India, is February when the rain falls for 0.4 days and typically collects 2.2mm (0.1") of precipitation.

When is the sea warmest in Chennai?

Month with the warmest seawater in Chennai is May, with an average sea temperature of 29.5°C (85.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the warmest month in Chennai?

With an average high-temperature of 36.9°C (98.4°F) and an average low-temperature of 27.5°C (81.5°F), June is the warmest month in Chennai.

What is the rainiest month in Chennai?

November is the month with the most rainfall in Chennai, India. Rain falls for 11.7 days and accumulates 407.4mm (16") of precipitation.

What is the coldest month in Chennai?

With an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 21.9°C (71.4°F), December is the coldest month.
Average temperature - Chennai, India
Average rainfall - Chennai, India

The wettest month (with the highest rainfall) is November (407.4mm).
The driest month (with the lowest rainfall) is February (2.2mm).

Average rainfall days - Chennai, India

The month with the highest number of rainy days is November (11.7 days).
The month with the lowest number of rainy days is March (0.3 days).

Average sea temperature - Chennai, India

The best month for swimming (with the highest average sea temperature) is May (29.5°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight / Average sunshine - Chennai, India
Average UV index - Chennai, India

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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