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Portugal water temperature in August

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Can you swim in Portugal in summer? In August sea water temperature in some cities of Portugal is above 20°C and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest sea in Portugal in August was 23.8°C (in Flores Island), and the coldest water 16.6°C (in Viana do Castelo). To find out the sea temperature today and in the coming days, go to Current sea temperature in Portugal

Portugal sea surface temp in August

Several popular Portugal resorts with average ocean temperatures in August over the past years. For sea temperatures in other locations, select a state below or search

 
2025
2024
2023
2022
2021
23.2°C
21.6°C
20.4°C
20.3°C
19.3°C
23.7°C
24°C
24.8°C
23°C
23.3°C
23.3°C
25.2°C
24.1°C
23.3°C
23.6°C

For the searchability, all Portugal cities and resorts are separated by state. To find the temperature of the water, select the state and then the city. If you do not know in which state the place is of interest to you, go to the section Portugal all cities and resorts

Portugal regions

Portugal water temperature by month

To find out what the water temperature was in Portugal any day over a period of the last ten years, select the month

Where is the warm sea water in August?

Want to know where the water temperature in August 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

Where can you swim in Portugal in August?

Places with the warmest average sea water temperature in Portugal in August. Also indicated are the maximum and minimum temperatures in August for these locations based on observations over the past 10 years

AvrMinMax
Santa Cruz das Flores23.8°C21.2°C26.3°C
Santa Maria Island23.8°C21.8°C26.5°C
Vila do Porto23.8°C21.8°C26.5°C
Flores Island23.8°C21.3°C26.2°C
Corvo Island23.7°C21°C26.1°C

Portugal photo gallery

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  • Vista della città, dal oceano
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If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Water temperature in Florida in August

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Our report for Portugal 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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