The patron of the whole town of San Pietro in Guarano is Saint Peter the Apostle, celebrated on 29 June in the Church of San Pietro Apostolo.
The municipal territory overlooks the Serra della Guardia and holds the Tasso-Camigliatello Silano nature reserve. The town's other patron, Santa Maria in Gerusalemme, venerated in the centre of San Pietro, is celebrated on 8 September.