Barcelona — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Barcelona, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Barcelona today is 26.9°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 14 | 24.2°C | 21.7°C | |
| JUL 15 | 26.4°C | 21.7°C | |
| JUL 16 | 26.4°C | 21.7°C | |
| JUL 17 | 26.5°C | 21.7°C | |
| JUL 18 | 26.5°C | 21.7°C | |
| JUL 19 | 26.5°C | 21.7°C | |
| JUL 20 | 26.5°C | 21.7°C | |
| JUL 21 | 26.9°C | 21.7°C | |
| JUL 22 | 21.7°C | 26.6°C | |
| JUL 23 | 21.7°C | 26.4°C | |
| JUL 24 | 21.7°C | 26.1°C | |
| JUL 25 | 21.7°C | 25.9°C | |
| JUL 26 | 21.7°C | 25.6°C | |
| JUL 27 | 21.7°C | 25.3°C | |
| JUL 28 | 21.7°C | 25.1°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.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 5°C | 9°C | 11°C |
| February | 5°C | 9°C | 13°C |
| March | 8°C | 11°C | 15°C |
| April | 10°C | 14°C | 18°C |
| May | 13°C | 18°C | 22°C |
| June | 15°C | 20°C | 25°C |
| July | 17°C | 22°C | 27°C |
| August | 18°C | 22°C | 27°C |
| September | 15°C | 19°C | 24°C |
| October | 12°C | 16°C | 18°C |
| November | 9°C | 13°C | 16°C |
| December | 5°C | 8°C | 12°C |
Barcelona: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Barcelona (in Spanish — Barcelona) in Catalonia sits on the Mediterranean coast, but inland there are also reservoirs and small lakes in the surrounding region whose surface temperatures vary seasonally. In spring typical surface temperatures rise from about 10–16 °C (50–61 °F) as the water warms; in summer they commonly reach 20–26 °C (68–79 °F), sometimes momentarily higher on hot days; autumn sees cooling to roughly 14–20 °C (57–68 °F); and in winter many lakes and reservoirs fall to around 6–12 °C (43–54 °F). Actual temperatures depend on depth, shading, recent weather and whether the body of water is flowing or standing, so local readings can differ from these ranges.
Swimming in lakes near Barcelona is possible in some locations but not universally permitted. Certain reservoirs and designated bathing spots allow recreational swimming during the warmer months when water quality and safety are monitored; other lakes are restricted because they serve as drinking-water sources, are ecologically protected, lack lifeguards, or present hazards such as steep drop-offs and cold stratified layers. For safe swimming, visitors should check local rules and posted water-quality advisories, use marked bathing areas when available, and be mindful that coastal beaches offer a more consistent, regulated swimming option inside the city itself.