In reply to Robert Durran:
I had been thinking of doing Spitzkoppe during the drive from Swakopmund to Hohenstein.
Will Email you about the article that would be a fabulous source.
Which clothing would one bring, I have a hard time figuring this out. The center region is already quite high up, and from what I've read it is not very hot in winter (August) but on the other hand it is in the desert...