If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Thoothukudi: The hottest months are usually May and June with an average temp of 86°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Thoothukudi are November, October, December, and January, with each month seeing an average of 8 inches of rainfall.