Weather in Tamil Nadu
Tamil Nadu Location

Tamil Nadu Weather Map Tamil Nadu is the southern most state of India, surrounded by Andhra Pradesh from the North, Karnataka and Kerala from the west, Indian Ocean from the south and Bay of Bengal from the East. Cape Comorin or Kanyakumari, the southern most point of India lies in the state of Tamil Nadu. The Eastern and Western Ghat's (mountain ranges) run along eastern and western borders of the state and meet at Sitting in Dharmapuri district, Tamil Nadu. The Western Ghat's, bordering Tamil Nadu, breaks only at two points - Palakkad (25 km wide gap) and Shencottah, which connect the state with Karnataka and Kerala. The state of Tamil Nadu roughly extends between the 8° 04' N latitude (Cape Comorin) and the 78° 0' E longitude. Geographically, Tamil nadu is situated on the eastern side of the Indian Peninsula between the northern latitude of 8.5" and 13.35" and the eastern longitude of 76.15" and 80.20".

Weather in Tamilnadu

The climate in southern India shows only slight seasonal variations. The climate of Tamil Nadu is essentially tropical. The temperature in summer seldom 43º C and in winter seldom falls below 18º C. Temperatures and humidity remain relatively high all year round. Lightweight clothes and an umbrella are required throughout the year. A few extra layers of clothing may also be useful during the cooler months, as temperatures may drop slightly in the evening. The Cool Season and the beginning of the Summer Season is the best time to visit when rainfall is marginally lower which is between November and March.

Climate of Tamilnadu

South India Beach Tour Package The Tamilnadu Climate is tropical in nature with little variation in summer and winter temperatures. While April-June is the hottest summer period with the temperature rising up to the 40ºC mark, November-February is the coolest winter period with temperature hovering around 20ºC, making the climate quite pleasant.

Surprisingly, Tamil Nadu gets all its rains from the North-east Monsoons between October and December, when the rest of Tamil Nadu remains dry. The average annual rainfalls in Tamil Nadu range between 25 and 75 inches (635 and 1,905 mm) a year.

During summers (April- June), the coastal regions of Tamil Nadu become uncomfortably warm and humid, but the cool sea breezes in the afternoon make nights cool and pleasant. In this period the enchanting hill stations of the state provide much needed respite from heat and humidity of the plains.

The best period for Travelers to visit Tamil Nadu is between Octobers to March, when the climate becomes pleasantly cool.

Tamilnadu Weather in Summer

April and May are the hottest months with the mercury often soaring above the 40ºC (108.75 F approx.) mark. Even the coastal regions are warm and humid during the summers, but with the nightfall, however, cool sea breeze brings some respite. Summer temperatures are quite equable at the foothills of the ghat's But the most pleasant are the hill stations where the maximum temperature rarely rises above mid twenties in summer.

In Tamil Nadu the rainy season is between October and December when the Northeast monsoon brings rain in spurts. The average annual rainfall, falling mainly between October and December, ranges between 25 and 75 inches. The most precipitation falls in the Nilgiris and other hill areas.

Tamilnadu Weather in Winter

Winter falls between November-February during which, the mercury hardly falls below 20°C (54 F approx.), except in the hill stations. The winter monsoons of Tamil Nadu occur in the months of October to December. The lowest temperatures are recorded during December and January.

Weather Chart of Tamil Nadu
Month Max °C Min °C Rain (mm)
January 29 20 24
February 31 21 7
March 33 23 15
April 35 26 25
May 38 28 52
June 37 28 53
July 35 26 83
August 35 26 124
September 34 25 118
October 32 24 267
November 29 23 309
December 28 21 139
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