Western Australia is a vast and diverse region located in the western part of the country of Australia, covering an area of about 2,646,417 square kilometers, roughly the size of Western Europe.

Quick Facts

Land Area2,646,417 km², about the size of Western Europe
Highest PointMount Meharry, 1,249 meters
Lowest PointLake Eyre, 15 meters below sea level
Coastline20,781 km
BordersNorthern Territory, South Australia
Climate Typearid, tropical, temperate

Location & Borders

Western Australia is situated in the western part of the Australian continent, bordering the Northern Territory to the north and South Australia to the east. The region is bounded by the Indian Ocean to the west and the Southern Ocean to the south, with a long coastline that stretches for over 20,000 kilometers. The coastline is characterized by a variety of features, including cliffs, beaches, and bays, with many islands and reefs located offshore.

The region's borders are largely defined by longitude and latitude lines, with the 129th meridian east forming the border with the Northern Territory and the 129th meridian east also forming part of the border with South Australia. The southern border is defined by the 26th parallel south, which separates Western Australia from South Australia. The region's location in the southern hemisphere means that it experiences a temperate climate in the south and a tropical climate in the north.

Terrain & Landscape

Western Australia is a region of great geological diversity, with a variety of mountain ranges, deserts, and coastal plains. The region's terrain is characterized by the presence of several major mountain ranges, including the Hamersley Range and the Stirling Range, which are located in the southwestern part of the region. These ranges are composed of granite and gneiss rocks, which have been shaped by millions of years of weathering and erosion.

The region is also home to several major deserts, including the Great Victoria Desert and the Great Sandy Desert, which cover much of the eastern and northern parts of the region. These deserts are characterized by sand dunes, salt lakes, and spinifex grass, and are home to a variety of unique and adapted flora and fauna. The coastal plains of Western Australia are generally narrow and fertile, with many rivers and estuaries that support a variety of agriculture and aquaculture.

The region's rivers are an important feature of its landscape, with many perennial and ephemeral rivers that flow through the region. The Swan River and the Murray River are two of the most significant rivers in the region, and are used for irrigation, drinking water, and recreation. The region's coastline is also an important feature of its landscape, with many beaches, bays, and headlands that are popular with tourists and locals alike.

Climate By Season

SeasonMonthsTemperature RangeRainfallConditions
SummerDecember to February25-35°Clowhot and dry
AutumnMarch to May15-25°Cmoderatemild and pleasant
WinterJune to August10-20°Chighcool and wet
SpringSeptember to November15-25°Cmoderatemild and pleasant

Best Time To Visit

Best months: September to November and March to May. Why: these periods offer mild and pleasant weather, with comfortable temperatures and minimal rainfall. Avoid: December to February, as the weather is hot and dry, and June to August, as the weather is cool and wet.

Natural Highlights

  • Kakadu National Park: a UNESCO World Heritage Site located in the northern part of the region, known for its unique biodiversity and indigenous culture.
  • Ningaloo Reef: a coral reef located off the coast of Western Australia, known for its marine life and snorkeling and diving opportunities.
  • Pinnacles Desert: a unique landscape of limestone pillars located in Nambung National Park, created through millions of years of weathering and erosion.
  • Margaret River: a region located in the southwestern part of Western Australia, known for its wine production and natural beauty.
  • Kimberley Region: a remote and rugged region located in the northern part of Western Australia, known for its indigenous culture and unique landscapes.
  • Rottnest Island: a small island located off the coast of Western Australia, known for its beaches, snorkeling, and wildlife, including the quokka, a small wallaby that is native to the island.