World sea water temperatures

Water temperature in Hillarys (WA) in October

Is it warm enough to swim in Hillarys in October? Average water temperature in Hillarys in October is 18.8°C and therefore is not suitable for comfortable swimming. The warmest sea in Hillarys in October is 20.9°C, and the coldest is 16.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hillarys

Changes water temperature in Hillarys in October 2024, 2023

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

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
1 October18.4°C18.9°C16.7°C19.2°C
2 October18.5°C18.9°C16.8°C19.2°C
3 October18.2°C18.6°C16.8°C19.4°C
4 October18.1°C18.4°C17°C19.7°C
5 October18.2°C18.7°C17.1°C19.6°C
6 October18.6°C19°C17.4°C19.2°C
7 October18.7°C19.5°C17.6°C19.5°C
8 October18.5°C19.4°C16.9°C19.4°C
9 October18.3°C19.3°C17.4°C19.4°C
10 October18.9°C19.4°C17.7°C19.5°C
11 October19.1°C19.1°C17.7°C19.7°C
12 October19.2°C18.8°C17.6°C19.6°C
13 October19.1°C18.9°C17.4°C19.5°C
14 October19.2°C19.3°C17.6°C19.5°C
15 October19.6°C19.3°C17.8°C19.6°C
Day 2024 2023 Min Max
16 October19.6°C20.1°C17.9°C20.1°C
17 October19.7°C19.8°C18°C19.8°C
18 October19.4°C19.9°C18°C19.9°C
19 October19.4°C20°C17.9°C20°C
20 October19.7°C20°C17.9°C20°C
21 October19.7°C20°C17.9°C20.9°C
22 October19.7°C19.6°C18.1°C20.9°C
23 October19.5°C19.8°C18.3°C20.5°C
24 October19.5°C19.6°C18.2°C20.3°C
25 October19.6°C19.6°C18.1°C20.2°C
26 October19.6°C19.5°C18.3°C20.3°C
27 October19.6°C19.6°C18.5°C20.5°C
28 October19.5°C19.7°C18.5°C20.4°C
29 October20.1°C19.7°C18.3°C20.2°C
30 October20.2°C19.5°C18.1°C20.5°C
31 October20.3°C19.6°C18.1°C20.3°C
Hillarys water temp chart in October

Average water temperature in Hillarys in October over a decade

20152016201720182019
19.4°C17.9°C18.3°C18.5°C19.2°C
20202021202220232024
19.1°C18.4°C18.3°C19.4°C19.2°C

Hillarys sea state in October

Chart comparing the height of waves in Hillarys in October 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.

Waves height in Hillarys in October

Hillarys water temperature during other months:

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

Where is the warm sea water in October?

Want to know where the water temperature in October is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Temperature in neighboring cities

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

AvrMinMax
Sorrento18.8°C16.7°C20.9°C
Trigg Beach18.8°C16.6°C20.9°C
Mindarie18.9°C16.8°C21°C
Quinns Rocks18.9°C16.8°C21°C
Floreat Beach18.7°C16.5°C20.8°C
City Beach18.7°C16.5°C20.8°C
Swanbourne18.7°C16.4°C20.9°C
Claremont18.6°C16.2°C21°C
Manning18.6°C16.1°C20.7°C
Leighton Beach18.6°C16.3°C21°C

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Hillarys 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.

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