Rio de Janeiro Sea Temperature

Looking to find out what the sea water temperature in Rio de Janeiro is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Rio de Janeiro and nearby locations.

Water temperature in Rio de Janeiro right now

Below is the current sea temperature for Rio de Janeiro, Brazil on 18th April 2024.

24.69° C

(76.44° F)

  • yesterday: 24.6° C (76.28° F)
  • a week ago: 24.54° C (76.17° F)

Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

The average sea temperature for Rio de Janeiro on April 18th over the last 10 years is 24.54° C (76.16° F), with a low temperature of 22.81° C (73.06° F) and a high of 26.2° C (79.16° F).

Analysis and forecast for Rio de Janeiro water temperatures

The water temperature in Rio de Janeiro today is higher than the average temperature of 24.54° C (76.16° F) and the temperature on this day last year, 18th April 2023, was 24.7° C (76.46° F).

The chart and table below shows the change in water temperature in Rio de Janeiro over the last 30 days:

Date Temperature (Celsius) Temperature (Fahrenheit)
April 18 24.69° C 76.44° F
April 17 24.6° C 76.28° F
April 16 23.71° C 74.68° F
April 15 24.92° C 76.86° F
April 14 24.01° C 75.22° F
April 13 24.29° C 75.72° F
April 12 24.64° C 76.35° F
April 11 24.54° C 76.17° F
April 10 24.83° C 76.69° F
April 9 25.1° C 77.18° F
April 8 24.94° C 76.89° F
April 7 25.22° C 77.4° F
April 6 25.16° C 77.29° F
April 5 24.79° C 76.62° F
April 4 24.69° C 76.44° F
April 3 24.46° C 76.03° F
April 2 24.23° C 75.61° F
April 1 24.16° C 75.49° F
March 31 24.02° C 75.24° F
March 30 24.31° C 75.76° F
March 29 24.28° C 75.7° F
March 28 24.09° C 75.36° F
March 27 24.81° C 76.66° F
March 26 25.43° C 77.77° F
March 25 25.35° C 77.63° F
March 24 25.57° C 78.03° F
March 23 26.34° C 79.41° F
March 22 26.37° C 79.47° F
March 21 26.36° C 79.45° F
March 20 26.12° C 79.02° F
March 19 25.84° C 78.51° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in Rio de Janeiro by month

The chart below shows the monthly average water temperature in Rio de Janeiro.

For more detailed information on how the sea temperature in Rio de Janeiro changes for each month of the year, choose from the months below.

Rio de Janeiro map and nearby water temperatures

Locations near Rio de Janeiro

The highest temperature in Brazil today is 29.42° C (84.95° F) in Camocim. The lowest is in Chui, where the temperature of the water is 22.22° C (71.99° F).

Why measure sea surface temperatures (SST) in Rio de Janeiro?

The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Rio de Janeiro because they want to understand and learn how the ocean communicates with the atomosphere of Earth.

SST is one measure that provides information on the global climate, and it can be used to predict the weather in Rio de Janeiro as well as atmospheric model simulations and to study marine ecosystems in the area.

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Rio de Janeiro comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

  • "Rio de Janeiro Sea Temperature". SeaTemperatures.net. Accessed on April 18, 2024. http://seatemperatures.net/south-america/brazil/rio-de-janeiro/.

  • "Rio de Janeiro Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/south-america/brazil/rio-de-janeiro/. Accessed 18 April, 2024

  • Rio de Janeiro Sea Temperature. SeaTemperatures.net. Retrieved from http://seatemperatures.net/south-america/brazil/rio-de-janeiro/.