San Giovanni Battista (Saint John the Baptist), patron of Ussassai, is celebrated on 29 August.
The calendar of feasts includes the Festa di San Nicola, on the last Sunday of May, the Festa di San Lorenzo, on 10 August, the Festa del Santissimo Salvatore, on 12 September, the Festa di San Gerolamo, on 30 September, and the Sagra della mela (apple festival), on the third-to-last Sunday of October. The municipality also holds the Nuraghe Taccu Addai, the Nuraghe Nuraxi and the Casa Museo Begliuti.
