The patron saints of Celano are the martyrs Simplicius, Constantius and Victorian, celebrated from 24 to 26 August.
On Good Friday, religious celebrations and the procession of the seven confraternities are held, during which figures such as the Sorrowful Mothers, Veronicas, angels and saints sing polyphonic chants. On 22 May, Saint Rita is also celebrated. The town also holds the Church of San Giovanni Battista and the Piccolomini Castle.