Velorvattom Mahadeva Temple has its annual festival celebrated in the month of feb-March.
Devotees offer Purakuvilakku, Koovala Mala, Dhara, Sangabhishekam, Mritunjaya Pushpanjali for Lord shiva and PattumManjal and Talichukoda for Naga pratishta. There is also a Vazhipadu named Pitrunamaskaram which is made as an offering to the souls of the ancestors.
The temple is conventionally decorated with plantain, coconut leaves, flowers, leaves, traditional lamps and lights. Melam, the panchavadya, a traditional Kerala temple music performance with five instruments, are performed as part of the festival. Traditional performing arts, music and dance are staged during the period.
The festival ends with Arattu. The utsava murti (procession deity) of the deity is taken out of the temple for ritual bathing on the final day. Caparisoned elephants and melam are part of the ritual.