Barcelos — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Barcelos, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Barcelos today is 19.6°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 |
|---|---|---|---|
| SEP 14 | 18.8°C | 19.0°C | |
| SEP 15 | 18.2°C | 19.0°C | |
| SEP 16 | 18.8°C | 19.0°C | |
| SEP 17 | 18.8°C | 19.0°C | |
| SEP 18 | 19.5°C | 19.0°C | |
| SEP 19 | 19.6°C | 19.0°C | |
| SEP 20 | 19.5°C | 19.0°C | |
| SEP 21 | 19.6°C | 19.0°C | |
| SEP 22 | 19.0°C | 19.6°C | |
| SEP 23 | 19.0°C | 19.5°C | |
| SEP 24 | 19.0°C | 19.5°C | |
| SEP 25 | 19.0°C | 19.5°C | |
| SEP 26 | 19.0°C | 19.5°C | |
| SEP 27 | 19.0°C | 19.4°C | |
| SEP 28 | 19.0°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 | 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 |
Barcelos: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Barcelos, in the Braga District of northern Portugal, is crossed by river channels and contains small reservoirs and lakes that reflect the region’s temperate Atlantic climate. Water temperatures in these inland bodies typically range by season: in winter they often sit around 8–12 °C (46–54 °F), in spring rise to roughly 12–18 °C (54–64 °F), in summer can reach about 20–24 °C (68–75 °F) and on warm spells occasionally approach 25–26 °C (77–79 °F), and in autumn they generally cool again to roughly 14–20 °C (57–68 °F). Local conditions such as depth, shading, river inflow and recent weather can shift these figures by a few degrees, so actual temperatures at a given site may vary.
Swimming is possible in some Barcelos-area lakes and reservoirs but is not universally permitted or supervised. Municipal rules, water-quality results and safety considerations around dams and boat traffic determine whether a spot is an official bathing area; where there is no sign permitting bathing it may be discouraged or forbidden. Even in summer, colder water and the absence of lifeguards can pose risks, and algal blooms or contamination after heavy rains may lead authorities to close access temporarily. Visitors should check local signage and municipal guidance and exercise caution when entering inland waters.