Barragem do Rio Pinhão Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Barragem do Rio Pinhão Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Barragem do Rio Pinhão Lake today is 17.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| AUG 24 | 20.1°C | 23.0°C | |
| AUG 25 | 20.1°C | 23.0°C | |
| AUG 26 | 20.0°C | 23.0°C | |
| AUG 27 | 18.2°C | 23.0°C | |
| AUG 28 | 18.1°C | 23.0°C | |
| AUG 29 | 18.1°C | 23.0°C | |
| AUG 30 | 17.9°C | 23.0°C | |
| AUG 31 | 17.9°C | 23.0°C | |
| SEP 1 | 20.0°C | 18.0°C | |
| SEP 2 | 20.0°C | 18.1°C | |
| SEP 3 | 20.0°C | 18.2°C | |
| SEP 4 | 20.0°C | 18.3°C | |
| SEP 5 | 20.0°C | 18.4°C | |
| SEP 6 | 20.0°C | 18.5°C | |
| SEP 7 | 20.0°C | 18.6°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 | 3°C | 7°C | 10°C |
| February | 3°C | 7°C | 10°C |
| March | 6°C | 10°C | 13°C |
| April | 9°C | 13°C | 17°C |
| May | 11°C | 17°C | 23°C |
| June | 14°C | 20°C | 25°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 23°C | 28°C |
| September | 14°C | 20°C | 25°C |
| October | 11°C | 15°C | 19°C |
| November | 7°C | 11°C | 15°C |
| December | 3°C | 7°C | 11°C |
Barragem do Rio Pinhão Lake: Water Temperature by Location
Barragem do Rio Pinhão Lake: Weather Forecast
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Location & Local Information
The Barragem do Rio Pinhão, in Vila Real District, is a freshwater reservoir whose surface temperatures vary with the seasons like many inland bodies of water in northern Portugal. In winter the surface commonly ranges from about 6–10 °C (43–50 °F), spring sees a gradual rise to roughly 10–18 °C (50–64 °F) as the air warms, and summer surface temperatures can reach approximately 18–25 °C (64–77 °F) on warm spells. In autumn the water typically cools back to about 12–20 °C (54–68 °F) depending on rainfall and runoff. Deeper water remains considerably colder year-round, so measured temperatures can drop quickly with depth or after storm inflows.
Swimming at the Barragem do Rio Pinhão (Barragem do Rio Pinhão) is sometimes practiced locally but is not usually provided with formal lifeguard supervision or designated beaches, so it should be considered informal and conditional. Local rules and water-management operations, water quality checks, variable depths, submerged structures and boat traffic can lead authorities to restrict access at times, and safety concerns about cold-water shock and sudden currents make caution essential. Visitors should obey signage and local guidance; where permitted, swimming is possible in summer when surface temperatures are highest, but always with awareness of the reservoir’s operational and safety realities.