Swimming in Australia in august 2025 Sea temperature by city in august

In august in Australia swimming conditions vary by city. Details below:

In august in Darwin, swimming conditions are perfect! With water reaching a maximum of 82°F and an average of 80°F, going in the water (and staying there!) feels great.

As for Brisbane (Queensland), Cairns, Gold Coast, Fraser Island, Port Hedland, Bamaga (Cape York Peninsula), Cape Tribulation, Dampier, Hamilton Island, Whitsunday Islands, Ballina, Bowen, Broome, Buderim, Bundaberg, Byron Bay, Cooktown, Hervey Bay, Thursday Island, Innisfail, Nhulunbuy, Noosaville, Port Douglas, Tin Can Bay, Townsville and Trinity Beach, swimming is pleasant in august. The sea water is 71°F on average (min: 69°F/max: 73°F) so you can easily spend time in the water.

Swimming in august in Sydney, Perth, Port Macquarie, Cockatoo Island, Fremantle, Bateau Bay, Batemans Bay, Bondi beach, Bunbury, Busselton, Coffs Harbour, Forster, Geraldton, Gladstone, Mandurah, Manly beach, Margaret River, Newcastle, Umina, Wollongong and Yeppoon is possible but the sea is generally cool. So though the sea temperature may sometimes reach 69°F, it can also go as low as 64°F. Note that the average is 66°F.

Swimming in august in Streaky Bay, Baird Bay, Eden, Merimbula and Port Lincoln is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 61°F (min: 59°F/max: 62°F).

Forget about swimming in Hobart, Adelaide, Melbourne, Tasmania, Coles Bay, Devonport, Kangaroo Island, Warrnambool, Arthur River, Bay of Fires, Bicheno, Bridport, Cygnet, Dolphin Sands, George Town, Maria Island, Port Arthur, Port Campbell National Park, Smithton, Southwest National Park, St Helens, Wynyard, Geelong, Kingscote and Port Pirie in august! The water temperature is freezing, reaching as low as 54°F (and only 57°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!