Water temperature in Melbourne (VIC) in August

Is it warm enough to swim in Melbourne in August? Average water temperature in Melbourne in August is 13.1°C and therefore is not suitable for comfortable swimming. The warmest sea in Melbourne in August is 14.5°C, and the coldest is 12°C. Average high air temperature in Melbourne in August is 15°C, and average low temperature is 7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Melbourne

Changes water temperature in Melbourne in August 2025, 2024

To get an accurate forecast for the water temperature in Melbourne for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Melbourne, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	13.7°C	13°C	12.7°C	14°C
2 August	13.6°C	13.1°C	12.6°C	14.1°C
3 August	13.6°C	13°C	12.4°C	13.9°C
4 August	13.7°C	13°C	12.3°C	13.8°C
5 August	13.5°C	12.8°C	12.4°C	14°C
6 August	13.4°C	12.9°C	12.4°C	13.9°C
7 August	13.4°C	13°C	12.3°C	14°C
8 August	13.5°C	12.9°C	12.2°C	14°C
9 August	13.3°C	12.8°C	12.4°C	14.1°C
10 August	13.3°C	12.8°C	12.3°C	14.1°C
11 August	13.4°C	13.1°C	12.3°C	14.2°C
12 August	13.3°C	13.1°C	12.4°C	14.3°C
13 August	13.4°C	13.1°C	12.2°C	14.1°C
14 August	13.3°C	13.3°C	12.4°C	14°C
15 August	13.1°C	13.2°C	12.4°C	14°C

Day	2025	2024	Min	Max
16 August	13.2°C	13.2°C	12.3°C	14°C
17 August	13.2°C	13.1°C	12.1°C	13.9°C
18 August	13.2°C	13.3°C	12°C	13.7°C
19 August	13.3°C	13.3°C	12.1°C	13.6°C
20 August	13.4°C	13.3°C	12.3°C	13.7°C
21 August	13.4°C	13.2°C	12.3°C	13.7°C
22 August	13.3°C	13.3°C	12.1°C	13.8°C
23 August	13.2°C	13.4°C	12.3°C	13.8°C
24 August	13.2°C	13.3°C	12.1°C	13.8°C
25 August	13.2°C	13.4°C	12.1°C	14.5°C
26 August	13.2°C	13.4°C	12.2°C	14.2°C
27 August	13.2°C	13.2°C	12.2°C	14°C
28 August	13.4°C	13.2°C	12°C	14.1°C
29 August	13.1°C	13.3°C	12°C	14.1°C
30 August	13.2°C	13.2°C	12°C	14°C
31 August	13.3°C	13.1°C	12.1°C	14.2°C

Average water temperature in Melbourne in August over a decade

2016	2017	2018	2019	2020
13°C	13.4°C	13.3°C	13°C	12.7°C

2021	2022	2023	2024	2025
13.3°C	12.9°C	13.6°C	13.1°C	13.5°C

Melbourne sea state in August

Chart comparing the height of waves in Melbourne in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Melbourne in August

This data display average monthly climate indicators in Melbourne in August based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature15°C
Average LOW temperature7°C
Average humidity
56
Average rainfall days16 days
Average rainfall2''/51mm
Average daylight11h
Average sunshine4.7h
Average UV index3

Melbourne water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Gunnamatta Beach	12.4°C	11.3°C	13.5°C
Blairgowrie	12.1°C	11°C	13.1°C
Rye	12.1°C	11°C	13.1°C
Sorrento Ocean Beach	12.6°C	11.4°C	13.6°C
Flinders	12.5°C	11.6°C	13.9°C
Sorrento	11.9°C	10.8°C	13.2°C
Portsea	12.2°C	11.1°C	13.4°C
Port Phillip Bay	11.8°C	10.7°C	13°C
Rosebud	11.7°C	10.6°C	12.9°C
McCrae	11.6°C	10.5°C	12.7°C

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Our report for Melbourne is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature