Average monthly water temperature in Barcelona, Spain
On this page you find the mean water temperature over the year in Barcelona (Catalonia), Spain. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
In Barcelona, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 24°C (75°F).
The coldest water temperature month, January, has an average temperature of 13°C (55°F). It may not be the ideal time for a swim.
Barcelona Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barcelona - and find the best time to visit.
Barcelona 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Barcelona 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!