The patron saint of Lonate Pozzolo is Saint Ambrose, celebrated on 7 December in the Church of Sant'Ambrogio.
The town also holds the Lonate Carnival, on the afternoon of Shrove Saturday under the Ambrosian rite with a parade of floats, and the Caminàa da l'Ulia, a spring night walk held on the Saturday before Palm Sunday along the road to Gaggio. In the past, the central district held a weekly market and a three-day annual fair. The town also holds the Chapel of Sant'Anna and the Cascina Maggia.
