Covão dos Conchos Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Covão dos Conchos Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Covão dos Conchos Lake today is 17.5°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 |
|---|---|---|---|
| SEP 13 | 18.8°C | 19.0°C | |
| SEP 14 | 18.5°C | 19.0°C | |
| SEP 15 | 18.4°C | 19.0°C | |
| SEP 16 | 19.1°C | 19.0°C | |
| SEP 17 | 18.6°C | 19.0°C | |
| SEP 18 | 18.5°C | 19.0°C | |
| SEP 19 | 18.4°C | 19.0°C | |
| SEP 20 | 18.3°C | 19.0°C | |
| SEP 21 | 19.0°C | 17.6°C | |
| SEP 22 | 19.0°C | 17.7°C | |
| SEP 23 | 19.0°C | 17.7°C | |
| SEP 24 | 19.0°C | 17.8°C | |
| SEP 25 | 19.0°C | 17.9°C | |
| SEP 26 | 19.0°C | 18.0°C | |
| SEP 27 | 19.0°C | 18.0°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 | 0°C | 2°C | 5°C |
| February | 0°C | 4°C | 7°C |
| March | 1°C | 5°C | 8°C |
| April | 3°C | 7°C | 12°C |
| May | 7°C | 12°C | 18°C |
| June | 11°C | 19°C | 27°C |
| July | 14°C | 20°C | 25°C |
| August | 13°C | 20°C | 26°C |
| September | 13°C | 19°C | 24°C |
| October | 7°C | 11°C | 14°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 8°C |
Covão dos Conchos Lake: Water Temperature by Location
Covão dos Conchos Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Covão dos Conchos is an artificial reservoir and iconic spillway in the Serra da Estrela range, Guarda District, Portugal. Because it sits at higher elevation and is fed by mountain runoff, the water remains cool year-round. Typical seasonal surface temperatures commonly range from about 0–6 °C (32–43 °F) in winter, 4–12 °C (39–54 °F) in spring, roughly 10–20 °C (50–68 °F) in summer at the warmest shallow spots, and 6–12 °C (43–54 °F) in autumn. Actual temperatures vary with weather, depth and inflow, and deeper or shaded areas will be several degrees colder than measured surface values.
Swimming at Covão dos Conchos is generally discouraged and in many respects effectively not allowed. The site is part of a managed water infrastructure and a protected mountain landscape, so access may be restricted; there are also real safety hazards such as cold water, strong currents or undertows near the spillway, slippery rocks, and the possibility of sudden water-level changes. While some visitors do enter the water, authorities and local guides typically advise against swimming both for personal safety and to protect water resources and the environment. Visitors should follow posted signs and local guidance.