Knobby rubber helps in light snow. Carbide studs are to keep you upright on ice.

If you are sure there's no ice, then I would think knobbier rubber would be helpful in just light snow. Perhaps you already have tires that would work for that?

I switched to studded Hakkapeliitta A10's for the winter. They are narrow for studded tires (700x32) and are less aggressive than most studded tires, having less studs and smaller rubber knobbies. They are great on light snow and the studs have saved my bacon on ice many times now, but they come with higher rolling resistance and price tag than summer tires. For my purposes, they have been great, I would purchase them again.