Tamil Nadu Weather by Month: Temperature & Rainfall Guide

Tamil Nadu is a region in India. Many people wonder what the weather conditions are in Tamil Nadu over the year. What is the best time to visit Tamil Nadu?

This page shows the average weather conditions by month in Tamil Nadu over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Tamil Nadu ranges from very good in Tirunelveli to excellent in Chennai. The temperatures range from high in Kodaikānāl with 26°C (79°F) to very high in Karūr with 33°C (91°F).

Find more detailed climate information for Tamil Nadu in January here.

In February the weather in Tamil Nadu ranges from mixed in Tirunelveli to excellent in Chennai. The temperatures range from high in Kodaikānāl with 28°C (82°F) to extremely high in Karūr with 36°C (97°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in February here.

In March the weather in Tamil Nadu ranges from less favorable in Tirunelveli to excellent in Chennai. The temperatures range from high in Bikkatti with 30°C (86°F) to extremely high in Karūr with 39°C (102°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in March here.

In April the weather in Tamil Nadu ranges from less favorable in Coimbatore to very good in Chennai. The temperatures range from high in Bikkatti with 29°C (84°F) to extremely high in Karūr with 40°C (104°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in April here.

In May the weather in Tamil Nadu ranges from less favorable in Chennai to very good in Kanyakumari. The temperatures range from high in Bikkatti with 28°C (82°F) to extremely high in Tiruvannāmalai with 40°C (104°F). On average, this month is one of the warmest months of the year in Tamil Nadu. So be prepared and make sure to dress lightly.

Find more detailed climate information for Tamil Nadu in May here.

In June the weather in Tamil Nadu ranges from less favorable in Chennai to very good in Kanyakumari. The temperatures range from high in Bikkatti with 25°C (77°F) to extremely high in Tiruvannāmalai with 39°C (102°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in June here.

In July the weather in Tamil Nadu ranges from less favorable in Kodaikānāl to very good in Kanyakumari. The temperatures range from high in Bikkatti with 25°C (77°F) to extremely high in Thanjāvūr with 38°C (100°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in July here.

In August the weather in Tamil Nadu ranges from less favorable in Kodaikānāl to excellent in Tuticorin. The temperatures range from high in Bikkatti with 25°C (77°F) to extremely high in Tiruchchirāppalli with 38°C (100°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in August here.

In September the weather in Tamil Nadu ranges from less favorable in Kodaikānāl to very good in Kanyakumari. The temperatures range from high in Bikkatti with 26°C (79°F) to extremely high in Madurai with 37°C (99°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in September here.

In October the weather in Tamil Nadu ranges from less favorable in Chennai to good in Kanyakumari. The temperatures range from high in Bikkatti with 26°C (79°F) to very high in Karūr with 35°C (95°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in October here.

In November the weather in Tamil Nadu ranges from less favorable in Chennai to very good in Ooty. The temperatures range from high in Ooty with 25°C (77°F) to very high in Karūr with 32°C (90°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Tamil Nadu in November here.

In December the weather in Tamil Nadu ranges from good in Tirunelveli to excellent in Ooty. The temperatures range from high in Kodaikānāl with 25°C (77°F) to very high in Karūr with 32°C (90°F). On average, this month is the coldest month of the year in Tamil Nadu.

Find more detailed climate information for Tamil Nadu in December here.