The patron saint of Agrate Brianza is Saint Eusebius, celebrated on 2 August in the Parish Church of Sant'Eusebio.
The first Sunday of October also holds the patronal feast of the Madonna del Rosario, with various cultural and recreational events. The first Sunday of June, in the hamlet of Omate, hosts the much-loved Palio degli asini donkey race. The town also holds the Church of San Pietro and Villa Trivulzio.