- July 14: Medieval Festival Josselin - the meeting place of Josselin (every two years in even years).
- Festiv'été: Musical entertainment every Wednesday in the summer.
- Theatre Festival ADEC56 the third weekend in May
- "Weekends Chapel": Contemporary art exhibition, concerts, shows every weekend in July and August in the Holy Cross Chapel. Meet the artists.
- City tour with Mrs. Why How: playful discovery of the city of Josselin and his family history along with a wacky character Mrs. Why How. Every Tuesday and Thursday during the summer.
From 2 to 4 august 2024 in Vannes