Beach
Dunsborough Beach
City of Busselton, Australia · sea 21.4 °C at its warmest, in March

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
beach in Western Australia
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Dunsborough Beach?
The sea off Dunsborough Beach averages 21.4 °C at its warmest, in March, and 17.6 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Dunsborough Beach?
The sea reaches 20 °C or more from December to May. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Dunsborough Beach?
Dunsborough Beach is on the coast of City of Busselton, Australia, at -33.6131, 115.1111. The map on this site flies straight to it.
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