Water temperature in Adelaide in December

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Is it warm enough to swim in Adelaide in December? Average water temperature in Adelaide in December is 17.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Adelaide in December is 19.8°C, and the coldest is 15.7°C. Average high air temperature in Adelaide in December is 27°C, and average low temperature is 16°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Adelaide

Changes water temperature in Adelaide in December 2024, 2023

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2024	2023	Min	Max
1 December	18.1°C	16.1°C	16.1°C	18.1°C
2 December	17.6°C	16.2°C	16.2°C	17.8°C
3 December	17.8°C	16.8°C	16°C	17.8°C
4 December	18.4°C	16.9°C	16.3°C	18.4°C
5 December	18.2°C	16.8°C	16.2°C	18.2°C
6 December	18.8°C	17.1°C	15.9°C	18.8°C
7 December	18.4°C	17.4°C	16.3°C	18.4°C
8 December	18.5°C	17.4°C	16.4°C	18.5°C
9 December	18.5°C	17.4°C	16.2°C	18.5°C
10 December	18.5°C	17.4°C	16.3°C	18.5°C
11 December	18.5°C	16.9°C	16.4°C	18.5°C
12 December	18.5°C	16.3°C	16.3°C	18.5°C
13 December	18.7°C	16.1°C	16.1°C	18.7°C
14 December	19.1°C	16.1°C	16.1°C	19.1°C
15 December	19.5°C	16.2°C	16.2°C	19.5°C

Day	2024	2023	Min	Max
16 December	19.3°C	16.4°C	16.4°C	19.3°C
17 December	19.1°C	16.6°C	16.3°C	19.1°C
18 December	19.2°C	16.4°C	16.4°C	19.5°C
19 December	19.7°C	16.2°C	16.2°C	19.7°C
20 December	19.1°C	16.2°C	16.1°C	19.1°C
21 December	19°C	16.2°C	16.2°C	19°C
22 December	19°C	16.5°C	16.5°C	19°C
23 December	18.9°C	16.4°C	16.4°C	19.1°C
24 December	19.3°C	16.3°C	16.3°C	19.3°C
25 December	19.5°C	16.2°C	16.2°C	19.5°C
26 December	19.1°C	16.4°C	16.4°C	19.1°C
27 December	19°C	16.8°C	16.8°C	19°C
28 December	19°C	16.6°C	15.7°C	19°C
29 December	18.9°C	16.6°C	16.6°C	19.4°C
30 December	19.3°C	16.9°C	16.9°C	19.8°C
31 December	19.4°C	16.7°C	16.7°C	19.7°C

Average water temperature in Adelaide in December over a decade

2015	2016	2017	2018	2019
18.3°C	17°C	18°C	17.3°C	17.7°C

2020	2021	2022	2023	2024
17°C	16.9°C	17.2°C	16.6°C	18.8°C

Adelaide sea state in December

Chart comparing the height of waves in Adelaide in December 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 Adelaide in December

This data display average monthly climate indicators in Adelaide in December 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 temperature27°C
Average LOW temperature16°C
Average humidity
39
Average rainfall days7 days
Average rainfall1.1''/28mm
Average daylight14h
Average sunshine9.5h
Average UV index12

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

	Avr	Min	Max
Port Lincoln	18.7°C	16.2°C	20.8°C
Marion Bay	18.7°C	16.3°C	21°C
Stokes Bay	18.5°C	16.8°C	21°C
Vivonne Bay	17.6°C	15.3°C	19.6°C
Kangaroo Island	17.6°C	15°C	19.6°C
Tumby Bay	19.7°C	17.3°C	22.5°C
Coffin Bay	17.8°C	15.9°C	19.9°C
Point Turton	20°C	17.4°C	22.8°C
Kingscote	18.8°C	16.8°C	22°C
Port Neill	20.1°C	18.3°C	22.7°C

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Our report for Adelaide 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