Otherwise the dry climate of the African interior high-plateau, the Highveld, is dominant. Johannesburg gets an annual average of between eight and ten hours of sunshine per day. The weather only gets nasty in Johannesburg when the strong winds of August blow over the Highveld and the loose sands of the mine-dumps whirl through the air and cover the city in a yellow haze of dust. In Pretoria, about 60 km north of Johannesburg, it is always two or three degrees warmer due to the lower altitude of only 1365 metres above sea-level. The climatic conditions in South Africa are largely dependent on the altitude of the area in question and its proximity to one of the oceans.
Climate does, therefore, vary considerably regionally.
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