World sea water temperatures

Water temperature in Playa de San Juan

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This data the coastal Playa de San Juan 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 Playa de San Juan

Water temperature in Playa de San Juan today is 26.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the Mediterranean Sea near Playa de San Juan was recorded in 2018 and was 27.6°C, and the coldest was recorded in 2007 at 24.9°C. Sea water temperature in Playa de San Juan is expected to drop to 25.6°C in the next 10 days. September average water temperature in Playa de San Juan is 25.5°C, the minimum temperature is 22.9°C, and the maximum is 27.7°C.

The swimming season in Playa de San Juan lasts from June to November. During those months, Playa de San Juan water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Playa de San Juan in winter reaches 15.2°C, in spring 16.5°C, in summer the average temperature rises to 25.3°C, and in autumn it is 22.4°C.

Playa de San Juan water temperature now


5 September 2025
today temp
26.7°C
4 September 2025
yesterday temp
26.7°C


The sea salinity in Playa de San Juan is 36.96‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Playa de San Juan 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 Playa de San Juan. 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 Playa de San Juan. 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)

0-3 h3-6 h6-9 h9-12 h
1' 3"1' 9"2' 5"2' 11"
0.39 m0.53 m0.73 m0.88 m
12-15 h15-18 h18-21 h21-24 h
3' 3"3' 7"3' 10"4' 0"
1 m1.08 m1.16 m1.21 m

Surf report in Playa de San Juan

Playa de San Juan wave height and direction

Playa de San Juan weather forecast

Playa de San Juan wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
24.6°C24.8°C24.4°C25.9°C
12-15 h15-18 h18-21 h21-24 h
27.6°C27.2°C26.3°C25.3°C

You may also be interested in other sections of our site for Playa de San Juan: Sunrise and Sunset, Tides

Playa de San Juan water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Playa de San Juan. 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 Playa de San Juan 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 Playa de San Juan

Water temperature in Playa de San Juan

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Playa de San Juan 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

WaterWeatherWave
Playa Muchavista26.7°C27°C0.87 m
La Albufereta26.6°C28°C0.87 m
Playa de la Almadraba26.6°C28°C0.87 m
Playa del Postiguet26.6°C28°C0.87 m
Carabassi26.3°C28°C0.95 m
Gran Alacant26.3°C28°C0.95 m
Santa Pola26.2°C28°C0.89 m
Costa Blanca26.9°C27°C0.87 m
La Cala de Finestrat26.7°C27°C0.85 m
Elche26°C28°C0.97 m

Province of Alicante photo gallery

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Other names for Playa de San Juan

San Juan Playa, San Juan Beach

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Sandy beach

Playa de San Juan is equipped for disabled people

Current rating: 5,0 (1 votes cast)

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Playa de San Juan 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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