 The highest rainfall occurs along the southern coasts and the Mount Lofty Ranges (with an average annual rainfall of in the vicinity of Mount Lofty); the lowest rainfall occurs in the Lake Eyre basin where the average annual totals are less than and possibly even .Most of the rain in the southern districts of the State fall during the winter months when the sub-tropical high-pressure belt is displaced to the north over the Australian continent.South Australia's mean temperature range is in January and in July.