Not uncommon for puppies not to like the cold. And they don't regulate their body temperatures, as well as adult dogs do.
I would just keep carrying him outside to potty. Or take him on frequent short walks.
He will get a little bigger, and winter will pass. By that time, he shouldn't have a problem going out to take care of his business.
I would just keep carrying him outside to potty. Or take him on frequent short walks.
He will get a little bigger, and winter will pass. By that time, he shouldn't have a problem going out to take care of his business.