Appropriate clothing for Zurich weather in late December?

suggest me a jacket ( leather/padded/insulated/parka), will be there in april

This style is suitable for whole family:

or if you prefer more classic black:

April, April, der macht, was er will.

April can be blazing sunshine one moment, and rather chilly the next. You probably don't need a winter coat, and you'll probably not get away with just a crop top.

Bring something moderately warm and something moderately light. And something waterproof.