It's possible, but it's still more difficult and dangerous. I have cycled in Finland in the snow, and it is objectively worse than in the dry or wet (albeit bet

It's possible, but it's still more difficult and dangerous. I have cycled in Finland in the snow, and it is objectively worse than in the dry or wet (albeit better than it is here in the UK). For example, cycling across parks or crossing between lanes, there's usually the odd snow drift or edge between the ploughed lanes. If you're not careful, you can lose traction going across those or even it can be frozen solid and you can hit it like a kerb. Then when it's just starting to get cold, before the streets are being gritted, you're much more vulnerable to black ice patches. Even on a well ploughed, gritted surface, the grip is still nowhere near comparable to the rain. As a bonus, the grit is really harsh on your bike's drivetrain, so you have to wash your bike thoroughly every time you ride.