Water temperature in Santiago de Compostela

This data the coastal Santiago de Compostela 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 water temperature in Santiago de Compostela

Water temperature in Santiago de Compostela today is 17°C. Based on our historical data over a period of ten years, the warmest water in this day in Santiago de Compostela was recorded in 2021 and was 20°C, and the coldest was recorded in 2024 at 16°C. Water temperature in Santiago de Compostela is expected to rise to 18.8°C in the next 10 days. September average water temperature in Santiago de Compostela is 17.4°C, the minimum temperature is 14°C, and the maximum is 22°C.

Throughout the year, the water temperature in Santiago de Compostela does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of May, June, July, August, September, October, the water temperature warms up to 20°C and above. The average water temperature in Santiago de Compostela in winter reaches 8.9°C, in spring 11.9°C, in summer the average temperature rises to 18°C, and in autumn it is 14.6°C.

Santiago de Compostela water temperature now

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
11.2°C	10.3°C	9.7°C	13.8°C

12-15 h	15-18 h	18-21 h	21-24 h
23.6°C	27.6°C	22.9°C	14.4°C

Santiago de Compostela water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Santiago de Compostela. 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 Santiago de Compostela 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 Santiago de Compostela

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Our report for Santiago de Compostela 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.