I've looked for info on the freezing point for petroleum jelly and can't find it. I have seen temperature for becoming flammable, but not freezing. Do you happen to know?
I agree, too warm for frost bite, but cold dry wind can definitely dry out the skin.
I've been concerned about the same things, but I'm in southern BC. For the last week and a half we've had temperatures -8 -10c during the day and -15 -20c at night. That's like 12f to -2f. Our cold can be...