| Barrie Waterfront Festival | http://www.barriewaterfront.ca/ | 57A Lakeshore Dr, Barrie, ON L4N 6E9 | 1-416-904-7010 | May |
| Outdoor Film Series | https://barriefilmfestival.ca/ | P.O. Box 441, Barrie, ON L4M 4T5 | 1-705-481-1004 | June - August |
| Barrie Jazz & Blues Festival | http://www.barriejazzbluesfest.com/ | 14 Radenhurst Cres Barrie, ON L4M 6C6 | | June |
| Kids Fishing Day | https://kempenfeltrotary.ca/page/kids-fishing-day | "635 St. Vincent St. |
| Barrie, ON L4M 4S5" | | June |
| Promenade Days | https://downtownbarrie.ca/ | "93 Dunlop St E, 102, |
| Barrie, ON L4M 1A8" | 1-705-734-1414 | June/July (Canada Day weekend) |
| Craft Beer & BBQ Festival | https://downtownbarrie.ca/summer-is-back/ | "93 Dunlop St E, 102, |
| Barrie, ON L4M 1A8" | 1-705-734-1414 | July |
| Kempenfest | https://kempenfest.com/ | 65 Lakeshore Dr, Barrie, ON L4N 7R6 | 1-249-288-3540 | August (Civic holiday weekend) |
| Barrie Dragon Boat Festival | https://barriedragonboatfestival.ca/ | 60 Worsley St. Barrie, ON L4M 1L6 | 1-705-728-1010 | August |
| Barrie Fair (Essa Agriplex) | https://essaagriplex.ca/ | 7505 10th Line, Thornton, ON L0L 2N0 | 1-705-726-1200 | August |
| Troubadour Festival | https://troubadourfestival.ca/ | 87 Dunlop Street E Barrie, ON L4M 1A4 | 1-705-896-0702 | September |
| Barrie Film Festival | https://barriefilmfestival.ca/ | P.O. Box 441, Barrie, ON L4M 4T5 | 1-705-481-1004 | October |
| Tree Lighting Celebration | https://infobarrie.cioc.ca/record/BAR2902 | "93 Dunlop St E, 102 |
| Barrie, ON L4M 1A8" | 1-705-734-1414 | November |
| Santa Claus Parade | http://barriechamber.com/ | 121 Commerce Park Dr, Barrie, ON L4N 8X1 | 1-705-721-5000 | November |
