Weather conditions in France and Germany in March

It's very cold in France these days, and it snows intermittently. If I often exercise outdoors, I think it's better to bring a down jacket. ...

It is generally fine indoors and in the subway, and it is similar to wear a T-shirt in some places with sufficient heating. ...

In Germany, it's usually spring, so it should be ok. It rains at most. ...

In Swiss cities, the temperature is usually 5 degrees during the day and 0 degrees at night. It is necessary to prepare cold-proof clothes such as down jackets. Please check the weather forecast again then.