Prior to installing snow tires, I found the Transit Connect to be quite servicable in winter weather with all season radials. As a contract delivery driver in Upstate NY, I always use snow tires, begining in mid-December. As compared to my former Subaru all wheel drive, I found this vehicle to be almost as good as the Subaru for winter driving.
I use the Transit for city, highway, and country roads. It's not as comfortable and quiet as commuter vehicles, but for a commercial vehicle, it's not all that bad.