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.
Average monthly water temperature in Heidelberg, Australia
On this page you find the mean water temperature over the year in Heidelberg (Victoria), Australia. Understand how water temperatures vary throughout the year.
Data from: Melbourne, Australia (11 KM, 7 Miles).
In Heidelberg, cooler water temperatures are a year-round feature. The warmest month is January, averaging 17°C (63°F).
The coldest month, August, sees averages of 13°C (55°F). This does not make it a great month for visitors who enjoy swimming.
Heidelberg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Heidelberg - and find the best time to visit.
Heidelberg 3-Day Forecast
More climate data for Heidelberg
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Heidelberg climate overview or explore weather in Australia.
Popular in October
Where to go in October - average daytime high across popular destinations.
Noosa Heads
25°C (77°F) Brisbane
26°C (79°F) Byron Bay24°C (75°F) Gold Coast
24°C (75°F) Perth23°C (73°F) Sydney22°C (72°F) Adelaide20°C (68°F) Melbourne20°C (68°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
An alternative way to discover Sydney
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.
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).
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.