Ontario government extends studded tire season for Northern Ontario drivers Expositor Staff Sep 03, 2014 - 1 min read The studded tire season in the North, including Manitoulin, now runs from September 1 to May 31. The studded tire season in the North, including Manitoulin, now runs from September 1 to May 31. This post is for paying subscribers only Subscribe now and have access to all our stories, enjoy exclusive content and stay up to date with constant updates. Subscribe now Already a member? Sign in