At least in the winter. As the days get longer, the risk tapers off slowly, or gets pushed back an hour or two, as you can see in this chart of pedestrian risk over time. But, it's not just a chart — it's also a map.
It's the work of John Nelson, who has previously done visualizations that take a look at traffic fatalities and a series of "tornado travel maps." In this infographic chart, he plots out the risk of pedestrian accidents, as it changes over seasons and time.