Sidewalks & Public spaces - We need to pay more attention to creating inviting, public pedestrian streets and places downtown that are inviting, safe, and attractive for businesses and people. Generous sidewalks, attractive street elements, and attention paid to pedestrian crossings at intersections.
Patios - Encourage restaurants and pubs to have patios year-round, including heat lamps and blankets for patrons. Allow mulled wine to be served by vendors in designated corners.
In effect, putting more money in to the pedestrian street realm using good urban planning 'best practices' will go a long way to encouraging winter activity on the streets downtown!