ClimateForecastDecemberJanuary >>

Average water temperature in Sydney

The mean water temperature over the year in Sydney (New South Wales), Australia.


  • On average, January has the warmest water temperature with 21°C.
  • On average, August has the coldest water temperature with 16°C.

Forecast for Sydney

Fri   Dec 13
30°C | 20°C
E 25 km/h
almost clear and no rain

almost clear and no rain

Sat   Dec 14
27°C | 20°C
S 22 km/h
almost clear and no rain

almost clear and no rain

Sun   Dec 15
28°C | 21°C
SE 25 km/h
almost clear and no rain

almost clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Sydney.

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