Water temperature in Praia de Sao Juliao

This data the coastal Praia de Sao Juliao sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Praia de Sao Juliao

Water temperature in Praia de Sao Juliao today is 18.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Praia de Sao Juliao was recorded in 2010 and was 19.3°C, and the coldest was recorded in 2024 at 14°C. Sea water temperature in Praia de Sao Juliao is expected to drop to 18.3°C in the next 10 days. September average water temperature in Praia de Sao Juliao is 18°C, the minimum temperature is 14°C, and the maximum is 20.7°C.

Throughout the year, the water temperature in Praia de Sao Juliao does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of October, the water temperature warms up to 20°C and above. The average water temperature in Praia de Sao Juliao in winter reaches 14.9°C, in spring 15.1°C, in summer the average temperature rises to 17.3°C, and in autumn it is 17.5°C.

Praia de Sao Juliao water temperature now

The sea salinity in Praia de Sao Juliao is 35.64‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Praia de Sao Juliao for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Praia de Sao Juliao. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Praia de Sao Juliao. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Praia de Sao Juliao

Praia de Sao Juliao weather forecast

Current temperature and weather

Data in a table show Praia de Sao Juliao temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Praia de Sao Juliao.

0-3 h	3-6 h	6-9 h	9-12 h
19.4°C	16.4°C	16.2°C	19.9°C

12-15 h	15-18 h	18-21 h	21-24 h
23.1°C	24.6°C	20.3°C	17.7°C

Praia de Sao Juliao water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Praia de Sao Juliao. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Praia de Sao Juliao on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Praia de Sao Juliao

The nearest beaches and cities from Praia de Sao Juliao with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Praia do Magoito	18.9°C	24°C		1.92 m
Praia das Macas	18.8°C	24°C		1.92 m
Praia Grande	18.8°C	24°C		1.92 m
Praia da Adraga	18.6°C	24°C		1.85 m
Praia da Aroeira	18.6°C	24°C		1.85 m
Praia do Guincho	18.3°C	22°C		1.5 m
Santa Cruz	18.8°C	24°C		1.81 m
Silveira	18.8°C	24°C		1.81 m
Monte Estoril	18.3°C	23°C		1.5 m
Paco de Arcos	19°C	25°C		1.16 m

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Sao Juliao Beach

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Our report for Praia de Sao Juliao 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.