South Australia covers a total area of 984,377 square kilometres of generally low land except for the Mount Lofty Ranges and Flinders Ranges. It is the driest state in Australia with an average annual rainfall of 236 mm. The inland areas in the north are extremely dry while the southern coasts and ranges receive most rainfall.
Adelaide has a temperate Mediterranean climate with warm-to-hot dry summers and cool-to-mild wet winters. The annual estimated average rainfall is 585 mm but this can be variable, with long periods of very low rainfall.
Bureau of Meteorology
The Bureau of Meteorology (BOM) website provides information about the state's weather including:
River Murray weather
Detailed information on weather for the River Murray region is updated every fifteen minutes from automatic weather stations. This is available on the South Australian Murray Darling Basin NRM (SA MDB NRM) Board website.