The festivities of Vinayakar Chaturthi celebrating the birth of Lord Ganesha are the biggest events held at the Karpaka Vinayakar Temple in Pillayarpatti. The ten day Vinayakar Chaturthi is observed in the Tamil month of Aavani (Aug-Sept) involves intricate rituals and grand processions of the primary deities of the temple. Vinayakar is taken in procession around the town of Pillayarpatti seated on a different vahanam on each day of the Vinayakar Chaturthi, with the ninth day of the festival marked by a magnificent chariot procession. The elaborate festivities bring much splendor and gaiety to the town, attracting hundreds of thousands of faithful devotees from across Tamil Nadu.
Another ten day festival, this one honoring Kongu Nachiyamman, a village deity whose processional image is also housed at the Karpaka Vinayakar Temple, is held in the Tamil month of Vaikasi (May-June). The Margazhi Tiruvathirai festival in honor of Lord Nataraja and Sivakami is held in the month of Margazhi (Dec-Jan). Furthermore, every twelve years, the Karpaka Vinayakar Temple in Pillayarpatti celebrates the mahakumbabishekam, or consecration, ceremony on a grand scale. The next mahakumbabishekam is scheduled in year 2016