Wanderlust World Wanderlust World According to the South African Weather Service, the average atmospheric pressure in Pretoria is approximately 865 hPa (millibars).
Because Pretoria sits at ~1,350 m (4,430 ft) above sea level, its pressure is significantly lower than the sea-level standard of 1013 hPa. Pressure fluctuates daily with weather systems—typically ranging between 855–875 hPa.