Water temperature in Algarve in August

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Is it warm enough to swim in Algarve in August? Average water temperature in Algarve in August is 20.7°C and therefore suitable for comfortable swimming. The warmest sea in Algarve in August is 23.8°C, and the coldest is 16.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Algarve

Changes water temperature in Algarve in August 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	21.9°C	21.5°C	17.6°C	23.6°C
2 August	22.6°C	20.8°C	17.5°C	23.1°C
3 August	23.2°C	21.1°C	17.3°C	23.2°C
4 August	23.3°C	20.9°C	17.6°C	23.3°C
5 August	23.8°C	21.4°C	16.9°C	23.8°C
6 August	23.8°C	21°C	17.9°C	23.8°C
7 August	23.8°C	21.6°C	17.4°C	23.8°C
8 August	23.1°C	21.7°C	16.8°C	23.1°C
9 August	23.1°C	22.5°C	17.7°C	23.1°C
10 August	23°C	22°C	17.9°C	23.3°C
11 August	23.8°C	21.8°C	18.2°C	23.8°C
12 August	23.8°C	21.6°C	17.7°C	23.8°C
13 August	24.7°C	21.2°C	17.3°C	24.7°C
14 August	24.2°C	21.1°C	17.5°C	24.2°C
15 August	24.2°C	21.5°C	17.9°C	24.2°C

Day	2025	2024	Min	Max
16 August	24.5°C	21.7°C	17.9°C	24.5°C
17 August	25°C	21.9°C	18°C	25°C
18 August	23.8°C	21.6°C	18.6°C	23.8°C
19 August	22.8°C	21.5°C	18.3°C	23.3°C
20 August	21.9°C	21.9°C	17.5°C	23.2°C
21 August	21°C	22.1°C	17.8°C	23°C
22 August	20.9°C	21.6°C	17.7°C	23.1°C
23 August	21°C	21.3°C	18.3°C	22.9°C
24 August	20.9°C	21.5°C	18.1°C	23.7°C
25 August	21.1°C	21.7°C	18.9°C	23.7°C
26 August	21.3°C	21.9°C	18.8°C	23.3°C
27 August	21°C	22.3°C	18.2°C	23.5°C
28 August	20.1°C	22°C	17.5°C	23.7°C
29 August	19.9°C	21.8°C	17.6°C	23.5°C
30 August	19.5°C	21.6°C	17.2°C	23.5°C
31 August	18.7°C	21.5°C	17.4°C	23.4°C

Average water temperature in Algarve in August over a decade

2016	2017	2018	2019	2020
23.1°C	21.2°C	20.9°C	19°C	19.9°C

2021	2022	2023	2024	2025
19.3°C	20.3°C	20.4°C	21.6°C	23.2°C

Algarve sea state in August

Chart comparing the height of waves in Algarve in August 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.

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

	Avr	Min	Max
Albufeira	20.7°C	16.8°C	23.8°C
Falesia Beach	20.8°C	16.8°C	24.4°C
Olhos de Agua	20.8°C	16.8°C	24.4°C
Evaristo	20.7°C	16.6°C	24°C
Vilamoura	20.9°C	16.7°C	24.4°C
Armacao de Pera	20.6°C	16.4°C	23.7°C
Praia dos Salgados	20.6°C	16.4°C	23.7°C
Praia da Gale	20.6°C	16.4°C	23.7°C
Quarteira	21.1°C	17.4°C	24.3°C
Almancil	21.1°C	17.4°C	24.3°C

Algarve photo gallery

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Our report for Algarve 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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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature