Water temperature in Mornington (VIC) in May

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Is it warm enough to swim in Mornington in May? Average water temperature in Mornington in May is 15.2°C and therefore is not suitable for comfortable swimming. The warmest sea in Mornington in May is 18.1°C, and the coldest is 13.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mornington

Changes water temperature in Mornington in May 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 May	18.1°C	16.6°C	15.5°C	18.1°C
2 May	18°C	16.5°C	15.6°C	18°C
3 May	17.9°C	16.3°C	15.7°C	17.9°C
4 May	17.7°C	16.2°C	15.4°C	17.7°C
5 May	17.7°C	16.1°C	15.4°C	17.7°C
6 May	17.7°C	16.1°C	15.4°C	17.7°C
7 May	17.4°C	16.2°C	15.1°C	17.4°C
8 May	17.3°C	16.2°C	15°C	17.3°C
9 May	17°C	16°C	14.6°C	17°C
10 May	16.9°C	16°C	14.5°C	16.9°C
11 May	16.7°C	16.1°C	14.5°C	16.7°C
12 May	16.8°C	15.9°C	14.4°C	16.8°C
13 May	16.6°C	15.8°C	14°C	16.6°C
14 May	16.6°C	15.6°C	14.2°C	16.6°C
15 May	16.7°C	15.6°C	14.1°C	16.7°C

Day	2025	2024	Min	Max
16 May	16.6°C	15.5°C	14.1°C	16.6°C
17 May	16.5°C	15.4°C	14°C	16.5°C
18 May	16.4°C	15.3°C	14°C	16.9°C
19 May	16.1°C	15.1°C	14°C	16.1°C
20 May	16°C	15.1°C	14°C	16°C
21 May	15.8°C	14.9°C	14°C	15.8°C
22 May	15.7°C	14.9°C	13.8°C	15.7°C
23 May	15.6°C	14.8°C	13.7°C	15.7°C
24 May	15.4°C	14.7°C	13.6°C	15.7°C
25 May	15.2°C	14.6°C	13.8°C	15.7°C
26 May	15.1°C	14.6°C	13.6°C	15.6°C
27 May	14.9°C	14.5°C	13.6°C	15.4°C
28 May	14.8°C	14.4°C	13.5°C	15.3°C
29 May	14.8°C	14.3°C	13.5°C	15.2°C
30 May	14.6°C	14.6°C	13.4°C	15°C
31 May	14.5°C	14.4°C	13.3°C	14.9°C

Average water temperature in Mornington in May over a decade

2016	2017	2018	2019	2020
15.5°C	15.7°C	15.3°C	15.4°C	14.4°C

2021	2022	2023	2024	2025
14.9°C	15.7°C	15.1°C	15.4°C	16.4°C

Mornington sea state in May

Chart comparing the height of waves in Mornington in May 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.

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

	Avr	Min	Max
Mount Eliza	15.2°C	13.3°C	18.1°C
Frankston	15.2°C	13.3°C	18°C
Mount Martha	15.3°C	13.3°C	18.3°C
Carrum	15.2°C	13.3°C	17.9°C
Seaford	15.2°C	13.3°C	17.9°C
Parkdale	15.2°C	13.3°C	17.8°C
Mordialloc	15.2°C	13.3°C	17.8°C
Aspendale	15.2°C	13.3°C	17.8°C
Edithvale	15.2°C	13.3°C	17.8°C
Chelsea	15.2°C	13.3°C	17.8°C

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Our report for Mornington 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