The patron saint of Carate Brianza is Saint Ambrose, celebrated on 7 December.
On 26 December, the traditional living nativity scene is held at the Basilica di Santi Pietro e Paolo in Agliate, a hamlet of Carate Brianza. Since 1987, the «Befana sul Lambro - Mito festa nella Natura» event has instead been celebrated on 5 January, on the Agliate bridge. The town also holds Villa La Rovella, Villa Stanga Busca Borromeo and the church of San Martino.