User blog comment:Xilinoc/Ch. 568. Hear. Fear. Here 2/@comment-4666155-20140212094625/@comment-10554972-20140213161450

If you're going to use the "he's a zombie" excuse, that makes even less sense. Zombies would be more affected by the cold than the living and would freeze solid at temperatures we could handle. That freezing might not kill a zombie, but it would just need to be finished off at that point. Easy as hunting lions.