Taking into account the local weather in Tenkasi is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually April and March with an average temp of 83°F, while the coldest months are January and December with an average of 77°F. The rainiest months in Tenkasi are June, October, May, and November, with each month seeing an average of 12 inches of rainfall.