All data are in degrees Fahrenheit

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Water temperature in Rio de Janeiro

Detailed information about the current water temperature in Rio de Janeiro. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Rio de Janeiro now

78.5

°F

March 15, 00:13

Trend:

increasing

Yesterday:

78.2°F

Tomorrow:

78.9°F

Sunrise:

05:55

Sunset:

18:09

Day Length:

12 h. 14 min.

Rio de Janeiro in March

Minimum:

74.1°F

Average:

78.5°F

Maximum:

82.0°F

Sea water temperature in Rio de Janeiro today

As of now, in Rio de Janeiro, the water temperature is 78.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 82.3°F on 2019, while the historical minimum was 77.0°F on 2024.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Rio de Janeiro

Date Current Year

actual* / forecast**

last year 10 years average
Mar 1 78.4°F 81.3°F 79.8°F
Mar 2 79.2°F 81.2°F 79.8°F
Mar 3 78.6°F 80.1°F 79.7°F
Mar 4 77.4°F 80.9°F 79.7°F
Mar 5 77.0°F 79.9°F 79.6°F
Mar 6 78.0°F 80.0°F 80.0°F
Mar 7 76.4°F 80.0°F 80.0°F
Mar 8 77.6°F 79.7°F 80.1°F
Mar 9 76.6°F 79.7°F 80.0°F
Mar 10 77.2°F 79.7°F 79.7°F
Mar 11 78.0°F 78.6°F 79.8°F
Mar 12 77.7°F 77.3°F 79.6°F
Mar 13 78.4°F 76.5°F 79.4°F
Mar 14 78.2°F 75.8°F 79.2°F
Mar 15 78.5°F 77.0°F 79.4°F
Mar 16 78.9°F 77.7°F 79.9°F
Mar 17 78.9°F 78.7°F 79.9°F
Mar 18 78.7°F 78.0°F 79.6°F
Mar 19 79.0°F 80.6°F 80.0°F
Mar 20 78.7°F 80.3°F 79.7°F
Mar 21 78.7°F 80.6°F 79.7°F
Mar 22 78.4°F 79.6°F 79.4°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Rio de Janeiro by month

In Rio de Janeiro, the months October through May offer comfortable swimming conditions, which amounts to 244 swimming days.
The warmest water in Rio de Janeiro was recorded on February 14, 2018, reaching a 85.4°F. While the coldest temperature occurred on August 8, 2018, dipping to 67.7°F. The average readings by season are 78.7°F in Winter, 77.4°F in Spring, 72.1°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Niterói 79.6°F 5mi
Duque de Caxias 81.1°F 12mi
São João de Meriti 81.1°F 14mi
Belford Roxo 81.1°F 17mi

* current water temperature in this city

** straight line distance from Rio de Janeiro