Winter Tires in Canada: When to Change Them and Why They Matter

Driving on slippery winter roads can significantly increase your risk of an accident or collision. If you're deemed at fault—or experience multiple collisions in a short period—you may also see a spike in your auto insurance premium. That means less money for the things you enjoy.
That’s why many Canadians install winter tires each year. Switching to winter tires in Canada is one of the simplest and most effective ways to improve safety and reduce risks on icy and snowy roads. If this is your first winter on the road, you may be wondering when to change winter tires, whether they’re required by law, or how they affect insurance. We answer everything below.

What Are Winter Tires?
Winter tires—sometimes called snow tires—are specially engineered for cold weather tire safety. They stay flexible in low temperatures, improving traction and control on icy, snowy, or slushy surfaces.
Key features include:
• Cold-weather rubber compounds that stay soft below 7°C
• Deep tread patterns that push away snow and slush
• Sipes (tiny slits) that act as “teeth” to grip ice and provide safer braking
This design gives winter tires a major advantage over all-season tires, especially when temperatures drop.

Are Winter Tires Required by Law in Canada?
The federal government does not require winter tires. However, some provinces have specific rules. For example:
• Quebec: Winter tires are mandatory
• Ontario & most provinces: Strongly recommended but not required
Even in provinces without legal requirements, winter tires are highly encouraged to improve safety and reduce collisions.

When Should You Change Your Winter Tires in Canada?
What temperature is too cold for regular tires?
Once temperatures sit at 7°C or below, all-season tires begin to stiffen and lose grip. This is the key indicator that it’s time to switch over. Even without snow, cold pavement reduces tire performance.
Best time to install winter tires
Most Canadian drivers install winter tires in early October, ensuring they’re prepared before the first cold snap or snowfall.
How long should winter tires stay on?
Keep your winter tires on until spring temperatures remain consistently above 7°C—generally March or April, depending on where you live. Early spring in Canada can still bring icy mornings and surprise snowfalls, so switching too early is risky.

Should You Wait Until the First Snowfall?
You can, but it’s not recommended.
Waiting until the first snowfall may lead to:
• Long wait times at mechanic shops
• Shortages of winter tires
• Higher prices due to demand
More importantly, driving without winter tire traction on cold roads puts you at much higher risk of collisions. Installing your winter tires before the first snowfall ensures safe winter driving from day one.

Do Winter Tires Influence Your Insurance Rates?
Yes—especially in Ontario.
Most insurance companies offer a winter tire insurance discount, typically around 5%, for installing winter tires on all four wheels. Over the year, this can result in significant savings.
To see if you qualify or to explore additional auto insurance discounts, contact your dedicated Fairstar Insurance advisor. It’s always a good time to look for ways to save money.

How Do You Install Winter Tires?
Installing winter tires is similar to changing a regular tire. If you’ve replaced a flat tire before, you can likely do this as well. You’ll need:
• A dry workspace (garage or carport)
• Your winter tires
• A jack
• A spanner
If you're unsure or prefer professional installation, a licensed mechanic can handle the job quickly and correctly.

Final Thoughts: Why Winter Tires in Canada Are Essential
Even though winter tires aren’t mandatory across the entire country, investing in a high-quality set is one of the best decisions you can make for safer winter driving. They help prevent accidents, improve traction, and may even lower your insurance premiums.
Whether you’re wondering when to install winter tires, how they affect insurance, or the differences between winter tires vs. all-season tires, Fairstar Insurance is here to help protect you and your vehicle all winter long.