Water temperature in Rio Negro (near Barcelos)

This data the coastal Rio Negro (near Barcelos) water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Rio Negro (near Barcelos)

Water temperature in Rio Negro (near Barcelos) today is 28°C. Based on our historical data over a period of ten years, the warmest water in this day in Rio Negro (near Barcelos) was recorded in 2023 and was 30°C, and the coldest was recorded in 2021 at 6°C. Water temperature in Rio Negro (near Barcelos) is expected to drop to 24.3°C in the next 10 days. September average water temperature in Rio Negro (near Barcelos) is 24.3°C, the minimum temperature is 6°C, and the maximum is 30°C.

The swimming season in Rio Negro (near Barcelos) lasts from January to December, twelve months per year! During those months, Rio Negro (near Barcelos) water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Rio Negro (near Barcelos) in winter reaches 23.2°C, in spring 24°C, in summer the average temperature rises to 19.9°C, and in autumn it is 22.3°C.

Rio Negro (near Barcelos) water temperature now

Current temperature and weather

Data in a table show Rio Negro (near Barcelos) temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Rio Negro (near Barcelos).

0-3 h	3-6 h	6-9 h	9-12 h
24.1°C	23.5°C	23.6°C	28°C

12-15 h	15-18 h	18-21 h	21-24 h
34.5°C	34.2°C	28.5°C	25.8°C

Rio Negro (near Barcelos) water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Rio Negro (near Barcelos). In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Rio Negro (near Barcelos) on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Rio Negro (near Barcelos)

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Our report for Rio Negro (near Barcelos) is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.