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Shark Bay’s Climate

Shark Bay has a semi-arid climate with hot, dry summers and mild winters. The average annual temperature is 26.5º C, and the average annual rainfall is 228 mm. This mild climate is paired with a sometimes intense southerly wind, especially between October and April. However, the wind is great for water sports such as sailing, windsurfing and paragliding.

Temperatures and rainfall

Since Shark Bay is in the Southern Hemisphere, our winter is in the middle of the year and our summer is at the end. July is the coolest month, with an average minimum of just over 10º C and a maximum around 20–25º C. February is usually the hottest month, with an average minimum of about 23º C and a maximum around 35º C. A temperature graph for the town of Denham is displayed below. Go here for more climate details for Denham.

Shark Bay’s coolest months – from May to September – are also its wettest. July is usually the rainiest month, with an average of about 56 mm. By contrast the driest month, December, only gets about 1.3 mm of rain!

December and January are the windiest months, with wind speeds averaging more than 27 km/h. Cyclone season is from November to the end of April, although cyclones are relatively infrequent.

Climate graph for Denham in Shark Bay

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