Sado River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Sado River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Sado River today is 18.6°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 |
|---|---|---|---|
| JUN 2 | 20.0°C | 21.0°C | |
| JUN 3 | 19.4°C | 21.0°C | |
| JUN 4 | 19.4°C | 21.0°C | |
| JUN 5 | 19.4°C | 21.0°C | |
| JUN 6 | 19.2°C | 21.0°C | |
| JUN 7 | 18.8°C | 21.0°C | |
| JUN 8 | 18.6°C | 21.0°C | |
| JUN 10 | 21.0°C | 18.7°C | |
| JUN 11 | 21.0°C | 18.8°C | |
| JUN 12 | 21.0°C | 19.0°C | |
| JUN 13 | 21.0°C | 19.1°C | |
| JUN 14 | 21.0°C | 19.2°C | |
| JUN 15 | 21.0°C | 19.3°C | |
| JUN 16 | 21.0°C | 19.4°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 | 6°C | 9°C | 13°C |
| February | 6°C | 9°C | 13°C |
| March | 6°C | 10°C | 15°C |
| April | 9°C | 13°C | 18°C |
| May | 13°C | 18°C | 22°C |
| June | 17°C | 21°C | 26°C |
| July | 18°C | 23°C | 27°C |
| August | 19°C | 24°C | 28°C |
| September | 18°C | 22°C | 27°C |
| October | 12°C | 16°C | 18°C |
| November | 9°C | 13°C | 16°C |
| December | 8°C | 11°C | 14°C |
Sado River: Water Temperature by Location
Sado River: Weather Forecast
June 9
June 10
June 11
June 12
June 13
June 14
Location & Local Information
Source:
• location Serra da Vigia, Ourique
• elevation 230 m (750 ft)
Mouth:
• location Atlantic Ocean at Setúbal
• elevation 0 m (0 ft)
Length 175 km (109 mi)
The Rio Sado, a river running through Setúbal District in Portugal, shows seasonal surface temperature variations driven by Atlantic influence and freshwater inflow. In winter surface waters typically range around 12–15 °C (54–59 °F). Spring sees a gradual rise to roughly 14–19 °C (57–66 °F) as sunlight and river discharge change. Summer surface temperatures in the estuary and lower river commonly reach about 18–24 °C (64–75 °F), while autumn cools to roughly 15–20 °C (59–68 °F). These figures are general for the estuarine and lower-river zones; upstream stretches and shallow shallows can warm or cool more quickly and local conditions such as tidal mixing and wind can cause short-term variability.
Swimming in the Rio Sado is permitted in various places but is best limited to designated bathing spots and nearby coastal beaches where authorities monitor water quality. Some sections near ports, industrial areas or intensive boat traffic are not recommended because of pollution episodes, stronger currents and navigation hazards. The estuary’s salinity gradient and protected habitats also lead to occasional restrictions to protect wildlife. For safe swimming, follow municipal signage and recent water quality reports: permitted areas are chosen for calmer water, monitored bacteriological levels and manageable currents.