Can I drive on studded tyres in summer in Finland?
Not in normal conditions. The permitted season for studded tyres is 1 Oct–15 Apr (until the Monday after a late Easter). Outside it, studs are allowed only if weather or road conditions genuinely require them — a sudden cold snap, or a snowstorm in Lapland. And here is the excuse people try to stretch: 'I didn't get round to changing them' is not a condition. Convenience, being busy, or a queue at the tyre shop do not make studs lawful — the judgement is made on the actual conditions, not the calendar and not your schedule. Studless friction tyres are always a lawful alternative, year-round, so a winter tyre is not the same thing as a studded tyre.
📋 The rules
- The normal studded window is 1 Oct–15 Apr; in late-Easter years until the Monday after Easter.
- Outside the window studs are allowed only when conditions require — judged by actual weather, not the calendar.
- Convenience or forgetting isn't a weather reason — simply not switching is an offence.
- Studs must meet technical requirements (count, protrusion) during the allowed season too.
- Friction tyres are always a legal year-round alternative.
🔓 Exceptions
- Late cold snaps or an icy road outside the permitted season make studs lawful for as long as conditions require.
- Compatibility between the tyres on a towed vehicle and the car has its own rules.
- Leaving a car parked on studs through the summer is fine — the ban covers driving on the road, not owning the tyres.
⚠️ Penalties
Driving on studs in summer conditions outside the permitted season can bring a traffic penalty fee. In practice the police judge the conditions on the spot, and on a dry June road excuses get little hearing — whereas during a late cold snap no fee is usually issued at all. The more significant financial consequence comes from elsewhere: a studded tyre chews up asphalt and grips poorly in summer heat, so in a crash the wrong tyres can shift responsibility onto you and affect compensation. And the condition of the studs is a requirement in itself: there are technical limits on stud count and protrusion even in season — too many missing studs make the tyre non-compliant.
📎 Sources
- Yle · Late winter: studs won't necessarily mean a fine →
- Nokian Tyres · Legal tyre seasons →
- Finnish Tyre Association · Tyre regulations →
❓ Frequently asked questions
Can I drive on studs in May?
Only if conditions genuinely require it, such as snowfall or an icy road. On dry summer roads you may not, and forgetting to change them or being busy is not a valid condition.
What is the fine for studs in summer?
It is a traffic penalty fee, and the police judge the conditions on the spot. During a late cold snap no fee is usually issued, but on a dry summer road excuses get little hearing.
What if the car just sits on studs all summer?
Parking is fine. The prohibition covers driving on the road, not owning the tyres or keeping them on a car standing in a yard or a garage.
Can studs wear into illegality?
There are technical requirements for the number, condition and protrusion of studs. Too many missing studs can make the tyre non-compliant even in midwinter, when its use is then prohibited.
Are friction tyres the same as studs?
They are not. Friction tyres are studless winter tyres and may be used all year with no seasonal restriction, which makes them the safe choice for a winter that runs late.
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