Barcelona — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Barcelona (Spain). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Barcelona help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Barcelona in the Balearic Sea today is 26°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Barcelona has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Barcelona will be 25.8°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 8 | 25.3°C | 25.0°C | |
| JUL 9 | 25.1°C | 25.3°C | |
| JUL 10 | 25.2°C | 25.0°C | |
| JUL 11 | 25.4°C | 25.0°C | |
| JUL 12 | 25.5°C | 25.3°C | |
| JUL 13 | 25.8°C | 25.0°C | |
| JUL 14 | 25.8°C | 25.5°C | |
| JUL 15 | 26.0°C | 25.3°C | |
| JUL 16 | 26.1°C | 25.3°C | 26.1°C |
| JUL 17 | 24.8°C | 26.1°C | |
| JUL 18 | 25.0°C | 26.0°C | |
| JUL 19 | 25.0°C | 26.0°C | |
| JUL 20 | 24.8°C | 25.9°C | |
| JUL 21 | 25.3°C | 25.9°C | |
| JUL 22 | 25.5°C | 25.8°C | |
| JUL 23 | 25.5°C | 25.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Barcelona, the coastal capital of Catalonia in northeastern Spain, sits on the Mediterranean and enjoys moderate sea conditions that vary with the seasons. Typical sea temperatures in winter (December–February) are around 13–15 °C, rising through spring to roughly 15–20 °C in March–May. Summer brings the warmest waters, commonly between 21–26 °C in June–August, with July and August often at the peak. In autumn (September–November) the sea gradually cools, usually ranging from about 18–22 °C as the weather transitions back toward winter. Local currents and short-term weather patterns can produce slight fluctuations in these averages, but overall the Mediterranean here is relatively steady compared with more exposed oceanic coasts.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 12°C | 15°C | 16°C |
| February | 12°C | 13°C | 15°C |
| March | 12°C | 14°C | 16°C |
| April | 12°C | 15°C | 17°C |
| May | 14°C | 18°C | 21°C |
| June | 17°C | 21°C | 25°C |
| July | 20°C | 25°C | 28°C |
| August | 22°C | 26°C | 29°C |
| September | 20°C | 25°C | 28°C |
| October | 17°C | 22°C | 25°C |
| November | 14°C | 19°C | 23°C |
| December | 11°C | 16°C | 19°C |
* Click on a month to view detailed water temperature data.
Barcelona: Weather Forecast
July 17
July 18
July 19
Location, Beaches & Local Information
Nearby Beaches & Facilities
Sant Miguel Beach
Sant Sebastia
La Barceloneta
Somorrostro
El Bogatell Beach
Platja De La Nova Icaria
Nova Icaria Beach
La Nova Mar Bella
Llevant
Swimming Conditions
Swimming and beach holidays in Barcelona combine urban convenience with reliable seaside conditions. The city has several sandy, accessible beaches with promenades, lifeguard coverage in the summer months, and facilities that suit families and casual swimmers alike. Water temperatures from late spring through early autumn are pleasant for open-water swimming, water sports and simple sun-and-sea relaxation; shoulder seasons may be brisk enough that some visitors prefer wetsuits for longer swims. Popular activities include swimming, snorkeling close to shore, paddleboarding and boat excursions, while the compact nature of Barcelona means easy access to restaurants, transport and accommodation after a day on the sand, though beaches do become busiest in peak summer.