What is the current water temperature in Rio de Janeiro?

As of now, in Rio de Janeiro, the water temperature is 25.2°C. It's safe to say that the water is comfortably warm for various water-related activities.

Brazil > Rio de Janeiro

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.

77.4

°F

December 20, 22:41

Trend:

decreasing

Yesterday:

77.9°F

Tomorrow:

77.1°F

Sunrise:

06:04

Sunset:

19:37

Day Length:

13 h. 33 min.

Rio de Janeiro in December

Minimum:

74.9°F

Average:

79.4°F

Maximum:

83.2°F

Sea water temperature in Rio de Janeiro today

As of now, in Rio de Janeiro, the water temperature is 77.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall 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 80.9°F on 2018, while the historical minimum was 75.7°F on 2024.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.1°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
Dec 6	76.4°F	74.5°F	74.9°F
Dec 7	77.0°F	77.2°F	75.4°F
Dec 8	77.4°F	76.3°F	75.1°F
Dec 9	77.3°F	76.6°F	75.2°F
Dec 10	78.8°F	77.8°F	75.7°F
Dec 11	78.9°F	77.7°F	75.7°F
Dec 12	76.4°F	75.6°F	75.6°F
Dec 13	75.0°F	74.7°F	75.8°F
Dec 14	75.2°F	75.6°F	75.9°F
Dec 15	75.2°F	75.8°F	76.6°F
Dec 16	78.1°F	78.5°F	77.6°F
Dec 17	78.8°F	76.5°F	77.5°F
Dec 18	78.3°F	75.1°F	77.0°F
Dec 19	77.9°F	75.1°F	76.9°F
Dec 20	77.4°F	75.7°F	77.6°F
Dec 21	77.1°F	77.0°F	77.4°F
Dec 22	77.1°F	77.0°F	77.3°F
Dec 23	77.2°F	76.9°F	77.4°F
Dec 24	77.1°F	76.9°F	77.4°F
Dec 25	77.1°F	75.7°F	77.4°F
Dec 26	77.1°F	73.0°F	77.3°F
Dec 27	77.2°F	73.6°F	77.5°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 235 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, 77.3°F in Spring, 72.0°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Niterói	78.2°F	5mi
Duque de Caxias	79.1°F	12mi
São João de Meriti	79.1°F	14mi
Belford Roxo	79.1°F	17mi

* current water temperature in this city

** straight line distance from Rio de Janeiro