Weather is probably a major factor when you plan your trip to Chidambaram, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June with an average temp of 87°F, while the coldest months are January and February with an average of 78°F. The rainiest months in Chidambaram are November, October, December, and August, with each month seeing an average of 10 inches of rainfall.