As a South African, her definition did sort of make sense to me in a social context, but I understand that metereologically it would be incorrect. The amount o

As a South African, her definition did sort of make sense to me in a social context, but I understand that metereologically it would be incorrect. The amount of months that Johannesburg would require heating I would say is probably 3—4 or 4—5 if you take into account only minimal heating at the edge cases.