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

Wed Nov 13

24°C | 19°C

25 km/h

1 mm

broken clouds and slight rain

hourly forecast

Thu Nov 14

20°C | 18°C

32 km/h

0.6 mm

partly cloudy and slight rain

hourly forecast

Fri Nov 15

21°C | 17°C

25 km/h

0.5 mm

broken clouds and slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Australia? On this website you can find historical weather averages for many cities in Australia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Travel Inspiration

An alternative way to discover Sydney

We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.

The most relaxed and alternative area of Australia is called the Byron Shire

The Byron Shire is one of the most pretty areas in the world. Not only in terms on natural beauty, also the relaxed vibe and people make this an area that remains close to your heart.

The best dive spots in Australia

Explore Australia's best dive spots: from the Great Barrier Reef to HMAS Perth. Discover vibrant corals, marine life, and historic wrecks.

Sail the Whitsunday islands

The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).

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