Albufeira do Alto Rabagão — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Albufeira do Alto Rabagão, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Albufeira do Alto Rabagão today is 18.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 19 | 18.0°C | 16.0°C | |
| SEP 20 | 17.6°C | 16.0°C | |
| SEP 21 | 17.7°C | 16.0°C | |
| SEP 22 | 17.6°C | 16.0°C | |
| SEP 23 | 18.5°C | 16.0°C | |
| SEP 24 | 19.0°C | 16.0°C | |
| SEP 25 | 18.6°C | 16.0°C | |
| SEP 26 | 18.6°C | 16.0°C | |
| SEP 27 | 16.0°C | 18.1°C | |
| SEP 28 | 16.0°C | 17.8°C | |
| SEP 29 | 16.0°C | 17.4°C | |
| SEP 30 | 16.0°C | 17.1°C | |
| OCT 1 | 12.0°C | 16.8°C | |
| OCT 2 | 12.0°C | 16.5°C | |
| OCT 3 | 12.0°C | 16.2°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 | 1°C | 5°C | 8°C |
| February | 1°C | 5°C | 8°C |
| March | 4°C | 8°C | 10°C |
| April | 7°C | 10°C | 14°C |
| May | 9°C | 14°C | 18°C |
| June | 11°C | 16°C | 20°C |
| July | 13°C | 18°C | 22°C |
| August | 14°C | 18°C | 23°C |
| September | 11°C | 16°C | 20°C |
| October | 9°C | 12°C | 15°C |
| November | 5°C | 9°C | 12°C |
| December | 1°C | 5°C | 9°C |
Albufeira do Alto Rabagão: Weather Forecast
September 27
September 28
September 29
September 30
October 1
Location & Local Information
Albufeira do Alto Rabagão sits in the mountainous area of Vila Real District, and its water temperatures reflect that cooler, higher-altitude setting. Typical seasonal ranges are roughly 4–8 °C (39–46 °F) in winter, 8–15 °C (46–59 °F) in spring, 18–24 °C (64–75 °F) in summer at the warmest shallow spots, and 10–16 °C (50–61 °F) in autumn. Deep sections and areas influenced by dam releases remain noticeably colder year-round, while sheltered bays warm more in calm summer weather. These figures are approximate and can vary with weather, inflows and reservoir level.
Swimming in the reservoir is physically possible in many places, but it is subject to practical and regulatory limitations. Because Alto Rabagão is a managed hydroelectric reservoir there are safety concerns — strong currents near intakes and the dam, fluctuating water levels, submerged hazards and the risk of cold-water shock or hypothermia even in summer. Local authorities or signage may prohibit swimming in specific zones for safety or operational reasons, and there is generally no lifeguard coverage. Anyone considering swimming should check the latest local guidance, choose sheltered, shallow areas, and take precautions against cold water and changing conditions.