Terceira Island is a unique blend of local traditions, religious influences, and a deep connection with nature. The hospitality of the Terceirenses is noteworthy, making it easy to embrace their customs. 

Religion plays a significant role in Terceira's culture. Religious festivals are prominent and include the celebration of the Holy Spirit, featuring coronations and the distribution of food to those in need.

On the other hand, traditional Azorean music is an essential part of Terceira Island's culture. Azorean folklore is characterized by instruments such as the "viola da terra" and the "cavaquinho." Traditional dance, known as "chamarrita," is popular at local festivals and celebrations.

Terceira Island is also known for its popular festivals. Notable among these are "touradas à corda" (an event that attracts visitors from around the world, where bulls are released in the streets and guided by ropes, and participants try to avoid being hit) and "Bailinhos de carnaval" (a unique manifestation of popular theater where, for three days, the Terceirenses take to the streets or gather in halls to enjoy theatrical satires that fill the audience with laughter). These events draw crowds of both residents and tourists.

 The "Sanjoaninas" are the largest popular festivals in the Azores archipelago. Usually taking place during the last week of June, they culminate on June 24th, which is the feast day of Saint John the Baptist. During this week, the island comes to life with various activities and events, including parades, concerts, folklore competitions, exhibitions, bullfights, local gastronomy fairs, and more. Parades are an important part of the festivities, with people dressing in traditional costumes and cheerful outfits.