- January :
- Last Saturday of the month: Fair of Sainte-Paule.
- First weekend: wedding weekend.
- February:
- Place antique shops.
- March :
- 2nd weekend: handicap day and handisports day.
- 3rd weekend: motorcycle show.
- May :
- 1st weekend: sport festival.
- June:
- Pentecost Weekend: Mineral Stock Exchange.
- 3rd weekend: ferrarissimo.
- 4th weekend: Run at Issoire for a child, the Yssoirienne.
- Summer period: Les Vendred'Issoire: On Fridays of the summer, from 19h to 23h30, the Boulevard de la Manlière in the heart of Issoire offers passersby on the concept of the After: coffee terraces, concerts, animations, hawkers, shops open until 21h.
- July :
- 3rd weekend: festival of dances and music of the world.
- End of the month: festival of Romanesque art.
- August:
- 1st weekend: Auvergne days.
- 2nd weekend: international rugby challenge.
- September:
- 2nd weekend: patronal feast of Issoire and great cycling prize of the city.
- 3rd weekend: opening of the cultural season.
- October:
- 1st weekend: exhibition of the inventors and creators of Auvergne, book festival, early childhood forum.
- November:
- 3rd week: week of solidarity.
- 3rd weekend: aviculture fair.
- December:
- Christmas markets.