Water temperature in Augusta (WA) in July

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Is it warm enough to swim in Augusta in July? Average water temperature in Augusta in July is 18.8°C and therefore is not suitable for comfortable swimming. The warmest sea in Augusta in July is 20.6°C, and the coldest is 16.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Augusta

Changes water temperature in Augusta in July 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 July	19.9°C	19.1°C	17.6°C	20.2°C
2 July	20°C	19.1°C	17.7°C	20.1°C
3 July	20.1°C	18.7°C	17.5°C	20.1°C
4 July	20.1°C	18.6°C	17.6°C	20.1°C
5 July	19.8°C	18.9°C	17.4°C	19.9°C
6 July	19.7°C	18.6°C	17.1°C	20.3°C
7 July	19.8°C	18.5°C	17.2°C	20.1°C
8 July	19.7°C	18.8°C	17°C	20.3°C
9 July	19.6°C	19°C	17.2°C	20.3°C
10 July	19.6°C	19°C	17°C	20.6°C
11 July	19.7°C	19°C	17°C	20.5°C
12 July	19.7°C	19°C	17.2°C	20°C
13 July	19.8°C	18.8°C	17.4°C	20°C
14 July	20.1°C	18.9°C	16.8°C	20.1°C
15 July	19.7°C	18.9°C	17.2°C	20.4°C

Day	2025	2024	Min	Max
16 July	19.6°C	18.6°C	17°C	20.2°C
17 July	19.7°C	19°C	17.1°C	19.8°C
18 July	19.7°C	19.1°C	17.1°C	19.7°C
19 July	19.7°C	18.7°C	17.2°C	19.7°C
20 July	19.3°C	18.7°C	17.1°C	19.3°C
21 July	19.3°C	18.3°C	17°C	19.3°C
22 July	19.1°C	18.4°C	16.7°C	19.6°C
23 July	19.1°C	18.5°C	16.6°C	19.6°C
24 July	18.7°C	18.1°C	16.8°C	19.6°C
25 July	18.4°C	18.1°C	17°C	19.3°C
26 July	18.5°C	18.3°C	17.1°C	19.3°C
27 July	18.4°C	18.3°C	17.3°C	19.4°C
28 July	18.2°C	18.1°C	17.1°C	19.1°C
29 July	17.6°C	17.9°C	16.9°C	19.3°C
30 July	17.7°C	18.2°C	16.9°C	19.2°C
31 July	16.9°C	18.2°C	16.9°C	19.1°C

Average water temperature in Augusta in July over a decade

2016	2017	2018	2019	2020
18.2°C	19.2°C	19.2°C	18.4°C	19°C

2021	2022	2023	2024	2025
18.2°C	18.9°C	17.1°C	18.6°C	19.3°C

Augusta sea state in July

Chart comparing the height of waves in Augusta in July 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.

Augusta 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 July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Hamelin Bay	19.4°C	17.4°C	21°C
Prevelly	19.3°C	17.1°C	21.1°C
Margaret River	19.4°C	17.2°C	21.1°C
Gracetown	19.3°C	16.9°C	21°C
Quindalup	17.2°C	15°C	19.6°C
Broadwater	17°C	14.6°C	19.4°C
Yallingup	18.6°C	16.3°C	20.6°C
Busselton	16.8°C	14.1°C	19.4°C
Dunsborough	17.8°C	15.7°C	19.8°C
Eagle Bay	18.2°C	16.1°C	20.2°C

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Our report for Augusta 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