Arni, in Tamil Nadu, India, is home to roughly 63,700 people in the India Standard Time zone at 12.7°N latitude.
In 2025, Arni averaged an annual temperature of 82°F, with hottest temperatures reaching 105°F in April and lowest around 62°F in January. The city received approximately 45 inches of precipitation during the year.
View historical weather for Arni · More cities in Tamil Nadu