How do zombies react to cold and heat?
In terms of heat, if we’re just talking a hotter day, I doubt it would have any effect. Zombies would probably just pant more. If you’re setting a zombie on fire, since they don’t feel pain they would still keep going for a while until their bodies were destroyed or engulfed completely by flames.
No, temperatures in those place would not get warm enough to thaw them out, they would just wait frozen for centuries, maybe even millenium. Eventually they would stop fuctioning. Fire could degenerate motor function. If continually applied and hot enough, it could kill them. I am personally a fan of the “Ashe Method” of killing zombies (“Evil Dead”). That is, cut them up into peices with a chainsaw and bury the mess. Yeah, it didnt work well for Ashe, they could reassemble themselves after awhile. But it was fun.