Are winter tires necessary in Seattle?
Rachel Ellis
Published Jan 09, 2026
You don't need snow or winter tires. However, if your state gets intermittent or light snow throughout the winter, it's a good idea to get winter tires. They're especially important if there is a tightly packed layer of snow on the ground for most of the winter.
Do I need winter tires in Washington state?
There's no winter tire requirement in Washington state, if you're on a mountain pass that requires chains, winter or studded tires don't qualify, you must have chains.
Can I use regular tires in the snow?
Many all-season tires do great in the rain and bare pavement year-round. While a set of all-season tires can offer some traction in light snow and the occasional winter storm, they're not designed for deep snow, ice, and cold weather (when temperatures stay below ~45º F).
Is it worth it to get winter tires?
Tests conducted by Canada's Traffic Injury Research Foundation showed that winter tires provide superior traction, braking, and cornering in all cold-weather driving conditions compared to an all-season tire. We're talking better traction whether the road surface is snow-covered, icy, wet, or even dry.
Do all 4 tires need to be winter tires?
Consistency is key so it's preferable to match all four tires for winter conditions with a tire like the WinterContact SI. Whether you have a rear wheel, front wheel, or four wheel drive vehicle, four winter tires is recommended. The extra investment in four tires will give you confidence when accelerating and braking.
31 related questions foundIs it OK to only have 2 snow tires?
The short answer is no. Your vehicle might have front-wheel drive, but installing snow tires on the front and not all four wheels could end with you oversteering or fishtailing around corners or when applying the brakes in certain weather conditions — even at low speeds.
Which is better all-season or winter tires?
Winter tires (also called snow tires) provide better traction in snow, on ice and in cold temperatures than either all-season or summer tires. They have deeper treads and more grooves that manage snow and slush better, with more sipes on the edges to improve traction on ice.
Do winter tires really make a difference?
Tread Depth.
Winter tires have a deeper tread depth than summer tires to allow more space for the snow and slush to escape; keeping your wheel closer to the road. The deeper tread also creates much better grip on ice.
Do winter tires make a difference on ice?
Yes, they can be used during winter, but they are no match for ice—especially black ice. Snow tires, which are commonly referred to as winter tires, are designed specifically to grip the road much better.
When should I put winter tires on my car?
Your winter tires should be on your car when the temperature falls below 45 degrees Fahrenheit, or 7 degrees Celsius, and starts to stay there consistently. Installing your winter tires early will help you maintain the recommended tire pressure for winter.
Who needs snow tires?
Do I Need Snow Tires? Experts recommend snow tires for people who live in areas with winters that see 40-degree or below temperatures for weeks at a time. Also, people who head to cold climates for hobbies or holidays should consider purchasing snow tires.
When can I put snow tires on in Washington?
By law, studded tires are only legal for use in Washington state from Nov. 1 through March 31. This applies to all vehicles in Washington, even those traveling from other states, and no personal exemptions or waivers exist to allow for earlier use of studded tires.
Why do I need winter tires?
Snow tires provide a lot more grip than regular tires, Lovegrove said, and when things are unpredictable on the road due to snow, high volumes of drivers and changing weather conditions, you're better off safe than sorry. Snow tires are not only good for the snow, D'Arbelles said, but for really cold weather as well.
Do winter tires use more gas?
Winter tires use less energy than all-season tires because they're made of hydrophilic rubber. It's designed to stay softer in frigid temperatures, using less fuel as they glide over snow-laden roads. These tires also have unique grooves that give them a better grip on wet roads.
Do winter tires help on black ice?
By preventing snow build-up and maintaining traction on icy roads, winter tires could mean the difference between a safe trip and a collision. Winter tires won't just keep you safe; they'll also save you money.
Are winter tires better in rain?
Winter tires are made for better traction on snow and ice, but in the end, they are still rubber tires and work fine in the rain. Every winter, when I lived in Maine, I had the annual tradition of installing winter tires on all my vehicles.
Do bigger tires do better in snow?
– In the winter, narrow tires are better under extreme conditions as they provide higher surface pressure against the road. Narrow tires also work better than wider ones in loose snow and slush.
Do winter tires have more rolling resistance?
Due to the softer and stickier rubber compound, winter tires have a much higher rolling resistance. Rolling resistance is defined as the energy that is lost when the tire is rolling. The main reason for loss of energy is the constant deformation of the tire.
Are winter tires more expensive?
Over the long term, using winter tires is a bit more expensive. Instead of having a set of all-season tires that last you three years (it varies, of course, depending on the type of tire and how much you drive), you would have two sets of tires that are only used for half the year.
Are winter tires bad in the summer?
If you use winter tires in summer, another thing to know is that you'll end up paying more for fuel. On warm pavement, the rolling resistance of a winter tire is substantially higher than a summer or all-season tire. That's because the softer rubber compound changes shape more.
Do I need an alignment after changing winter tires?
Careful alignment should always be part of this process and confirmed once a new set of tires is on your vehicle. Make sure your car is ready for another season on the road.
Should winter tires go on front or back?
No matter what kind of vehicle you drive, never mount two winter tires on the front axle without also mounting them on the rear axle. Only installing snow tires on the front wheels increases the risk of losing rear tire traction while braking or cornering on wintery roads.
Should better tires be in front or back?
According to Tire Review, new tires should always go in the back. Rear tires provide the vehicle stability, and if they have little tread, then stability is lost.
Do you need tire chains in Washington?
Chains are required on all vehicles over 10,000 gross vehicle weight (GVW), and all vehicles and loads over 10,000 pounds gross vehicle weight rating (GVWR), including large passenger trucks and SUVs.
Is Washington banning studded tires?
Washington bill proposes $100 fee on new studded tires, a ban in 2025. A new bill proposed in the Legislature would add a $100 fee on new studded tires and ban them altogether in 2025.