Average monthly water temperature in Santander, Spain
On this page you find the mean water temperature over the year in Santander (Cantabria), Spain. Understand how water temperatures vary throughout the year.
In Santander, water temperatures vary throughout the year. The warmest month is August, with an average water temperature of 20°C (68°F).
The coldest month is January, with an average temperature of 12°C (54°F). These seasonal variations make Santander a great destination for different kinds of aquatic activities.
Santander Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santander - and find the best time to visit.
Santander 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Santander climate overview or explore weather in Spain.
Popular this month
Where to go in August - average daytime high across popular destinations.
Seville
36°C (97°F) Madrid34°C (93°F) Valencia31°C (88°F) Málaga29°C (84°F) Benidorm29°C (84°F) Calpe
30°C (86°F) Marbella28°C (82°F) Barcelona28°C (82°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
El Hierro: The smallest Canary island without mass tourism
Mainly nature lovers and those seeking tranquility go to El Hierro. The island is know for its beautiful mountains and you can wonder around for days here.
Visit national Park El Teide
This national park is truly a unique place that you should not miss. You will find landscapes that seem to come from another plane and you will feel tiny in these impressive surroundings.
Sevilla: A Blend of Tradition, Culture, and Hidden Gems
Experience Sevilla in spring with Semana Santa processions and Feria de Abril festivities, set against the city's iconic landmarks and vibrant culture.
Enjoy an active trip in the mountains of Sierras de Cazorla
The mountains of Sierras de Cazorla offer spectacular views and sights and an abundance of activities that you can engage in, most of which are eco-friendly!