Weather will likely play an important role when you plan your trip to Nilaveli, and keep in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually April and March with an average temp of 82°F, while the coldest months are January and February with an average of 78°F. The rainiest months in Nilaveli are November, October, December, and April, with each month seeing an average of 9 inches of rainfall.