Water temperature in Rosario (Argentina)

This data the coastal Rosario 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 Rosario

Water temperature in Rosario today is 16°C. Based on our historical data over a period of ten years, the warmest water in this day in Rosario was 18°C, and the coldest 16°C. Water temperature in Rosario is expected to rise to 18°C in the next 10 days. September average water temperature in Rosario is 15.8°C, the minimum temperature is 12°C, and the maximum is 20°C.

The swimming season in Rosario lasts from November to March. During those months, Rosario water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Rosario in winter reaches 12.2°C, in spring 19.2°C, in summer the average temperature rises to 25.7°C, and in autumn it is 18.8°C.

Rosario water temperature now

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
18.1°C	16.5°C	16.4°C	13.7°C

12-15 h	15-18 h	18-21 h	21-24 h
16.7°C	17.5°C	16.4°C	12.1°C

Rosario water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Rosario. 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 Rosario 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 Rosario

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Our report for Rosario 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.