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 20.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 |
|---|---|---|---|
| JUN 3 | 21.0°C | 19.0°C | |
| JUN 4 | 21.0°C | 19.0°C | |
| JUN 5 | 21.0°C | 19.0°C | |
| JUN 6 | 20.9°C | 19.0°C | |
| JUN 7 | 20.7°C | 19.0°C | |
| JUN 8 | 20.7°C | 19.0°C | |
| JUN 10 | 20.7°C | 19.0°C | |
| JUN 11 | 19.0°C | 20.6°C | |
| JUN 12 | 19.0°C | 20.5°C | |
| JUN 13 | 19.0°C | 20.4°C | |
| JUN 14 | 19.0°C | 20.4°C | |
| JUN 15 | 19.0°C | 20.3°C | |
| JUN 16 | 19.0°C | 20.2°C | |
| JUN 17 | 19.0°C | 20.1°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 | 19°C | 24°C |
| July | 17°C | 21°C | 26°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
June 9
June 10
June 11
June 12
June 13
June 14
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.