In July, the female Brittany tower is a cycling race passing annually by the municipality of Yffiniac.
July 14, the city offers a fireworks and a ball at the racetrack.
In August, the Yffirocks is a music festival with concerts revolving around rock music.
Forgiveness of St. Laurent, which takes place in the town chapel, takes place every year in September.
The last two weeks of November, Yffiniac hosts its famous festival chocards, the name of a pastry specialty of the town. Garage sale, street theater and carnival are still in the appointment of this former fair fame.
