We had snow once in Johannesburg, South Africa. It was in 1981 and I was at school. It was such a momentous occasion that we were immediately let out of school and allowed to go to the park and make snowmen and have snowfights. It was a good amount of snow, not just a sprinkling.
But as for cold: it can get bloody cold for a country that has such good weather. When I was there in winter 2002 it was -2 C with the wind chill. And it is a biting dry cold, an unfriendly cold....