Cávado River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Cávado River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Cávado River today is 22.3°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 |
|---|---|---|---|
| AUG 9 | 22.3°C | 22.0°C | |
| AUG 10 | 23.1°C | 22.0°C | |
| AUG 11 | 23.1°C | 22.0°C | |
| AUG 12 | 23.1°C | 22.0°C | |
| AUG 13 | 23.1°C | 22.0°C | |
| AUG 14 | 23.4°C | 22.0°C | |
| AUG 15 | 23.2°C | 22.0°C | |
| AUG 16 | 22.4°C | 22.0°C | |
| AUG 17 | 22.0°C | 22.3°C | |
| AUG 18 | 22.0°C | 22.3°C | |
| AUG 19 | 22.0°C | 22.3°C | |
| AUG 20 | 22.0°C | 22.2°C | |
| AUG 21 | 22.0°C | 22.2°C | |
| AUG 22 | 22.0°C | 22.2°C | |
| AUG 23 | 22.0°C | 22.2°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 | 8°C | 12°C |
| March | 8°C | 11°C | 14°C |
| April | 10°C | 14°C | 17°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 | 9°C | 13°C |
Cávado River: Water Temperature by Location
Cávado River: Weather Forecast
August 17
August 18
August 19
August 20
August 21
August 22
Location & Local Information
The Rio Cávado in the Braga District is fed by mountain streams and flows through a mixture of narrow valleys, reservoirs and wider lowland stretches, which produces noticeable variation in water temperature. In winter the river commonly sits around 8–12 °C (46–54 °F) in exposed and upstream reaches, while spring temperatures climb to roughly 10–16 °C (50–61 °F) as snowmelt and rainfall moderate conditions. Peak summer temperatures are usually in the range of 18–24 °C (64–75 °F) in shallower, slow-moving sections and reservoirs such as Caniçada, although deeper or faster-flowing channels remain cooler. Autumn sees a decline to roughly 14–18 °C (57–64 °F) as air temperatures fall and discharge increases. Local weather, depth, shading and reservoir releases all influence these values, so temperatures can vary day to day.
Swimming in the Cávado is possible and practiced in suitable reaches and designated bathing spots, particularly in calmer reservoir bays and sheltered lowland stretches during the warmer months. However, not all sections are safe: strong currents, submerged obstacles, sudden depth changes, reservoir operations near dams and occasional water-quality issues after heavy rain can make swimming hazardous or restricted. Local authorities and signage determine permitted bathing areas, and checking current water-quality reports and safety notices is advisable before entering the river.