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South Africa's climatic conditions generally range from Mediterranean in the southwestern corner of the country to temperate in the interior plateau, and subtropical in the northeast.

A small area in the northwest has a desert climate. Most of the country has warm, sunny days and cool nights.

Rainfall generally occurs during summer (November through March), although in the southwest, around Cape Town, rainfall occurs in winter (June to August). Temperatures are influenced by variations in elevation, terrain, and ocean currents more than latitude.

There is very little difference in average temperatures from south to north.

For example, the average annual temperature in Cape Town is 17ºC, and in Pretoria, 17.5ºC, although these cities are separated by almost ten degrees of latitude.

Maximum temperatures often exceed 32ºC in the summer, and reach 38ºC in some areas of the far north. The country's highest recorded temperatures, close to 48ºC, have occurred in both the Northern Cape and Mpumalanga.

Frost occurs in high altitudes during the winter months. The coldest temperatures have been recorded about 250 kilometers northeast of Cape Town, where the average annual minimum temperature is -6.1º C.

Climatic conditions vary noticeably between east and west, largely in response to the warm Agulhas ocean current, which sweeps southward along the Indian ocean coastline in the east for several months of the year, and the cold Benguela current, which sweeps northward along the Atlantic Ocean coastline in the west.

Rainfall varies considerably from west to east. In the northwest, annual rainfall often remains below 200 millimeters. Much of the eastern Highveld, in contrast, receives 500 millimeters to 900 millimeters of rainfall per year; occasionally, rainfall there exceeds 2,000 millimeters. A large area of the center of the country receives about 400 millimeters of rain, on average, and there are wide variations closer to the coast.

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12y ago

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