Water temperature in Port Lincoln in April

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Is it warm enough to swim in Port Lincoln in April? Average water temperature in Port Lincoln in April is 18.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Port Lincoln in April is 21.1°C, and the coldest is 16.1°C. Average high air temperature in Port Lincoln in April is 22°C, and average low temperature is 12°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Lincoln

Changes water temperature in Port Lincoln in April 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 April	20.3°C	19.1°C	17.9°C	20.5°C
2 April	20.5°C	18.8°C	18°C	20.8°C
3 April	20.3°C	18.9°C	17.9°C	20.9°C
4 April	20.2°C	18.8°C	17.7°C	20.9°C
5 April	20°C	18.5°C	17.8°C	20.7°C
6 April	19.7°C	18.2°C	17.7°C	20.7°C
7 April	19.6°C	18.2°C	17.8°C	20.5°C
8 April	19.8°C	18°C	17.8°C	20.3°C
9 April	20°C	18°C	17.4°C	20.2°C
10 April	20°C	18°C	17.5°C	20°C
11 April	20.2°C	18°C	17.5°C	20.2°C
12 April	20.4°C	17.5°C	17.5°C	20.4°C
13 April	20.7°C	17.5°C	17.2°C	20.7°C
14 April	20.6°C	17.3°C	17°C	20.6°C
15 April	20.8°C	17.3°C	17.1°C	20.8°C

Day	2025	2024	Min	Max
16 April	21.1°C	17.1°C	16.9°C	21.1°C
17 April	20.6°C	17.3°C	17.3°C	20.6°C
18 April	20.3°C	17.3°C	16.7°C	20.3°C
19 April	20.3°C	17.4°C	16.8°C	20.3°C
20 April	20.1°C	17.1°C	16.9°C	20.1°C
21 April	19.8°C	16.8°C	16.8°C	19.8°C
22 April	19.6°C	16.9°C	16.9°C	19.6°C
23 April	19.3°C	17°C	17°C	19.6°C
24 April	19°C	16.8°C	16.8°C	19.2°C
25 April	19.3°C	16.7°C	16.7°C	19.3°C
26 April	19.1°C	16.7°C	16.7°C	19.2°C
27 April	18.8°C	16.1°C	16.1°C	18.9°C
28 April	18.7°C	16.2°C	16.2°C	19.1°C
29 April	18.7°C	16.4°C	16.4°C	19°C
30 April	18.5°C	16.4°C	16.4°C	19°C

Average water temperature in Port Lincoln in April over a decade

2016	2017	2018	2019	2020
18.5°C	18.7°C	19.4°C	18.7°C	18°C

2021	2022	2023	2024	2025
19°C	19°C	18.5°C	17.5°C	19.9°C

Port Lincoln sea state in April

Chart comparing the height of waves in Port Lincoln in April 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 Port Lincoln in April

This data display average monthly climate indicators in Port Lincoln in April 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 temperature22°C
Average LOW temperature12°C
Average rainfall days6 days
Average rainfall0.7''/18mm
Average daylight11h
Average sunshine7h
Average UV index5

Port Lincoln 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 April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Tumby Bay	19.3°C	16.9°C	21.7°C
Coffin Bay	17.5°C	13.9°C	19.4°C
Port Neill	19.9°C	17.4°C	22.1°C
Arno Bay	20.1°C	17.5°C	22.4°C
Point Turton	19.1°C	17.1°C	21.3°C
Stokes Bay	18.5°C	16.2°C	20.3°C
Cowell	20°C	17.4°C	22.6°C
Elliston	17.5°C	13.8°C	19.6°C
Port Hughes	19.5°C	16.7°C	21.8°C
Moonta	19.7°C	16.9°C	21.9°C

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Our report for Port Lincoln 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