What is the current water temperature in Rio de Janeiro?

As of now, in Rio de Janeiro, the water temperature is 26.59°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.

79.9

°F

January 15, 04:42

Trend:

stable

Yesterday:

80.2°F

Tomorrow:

80.1°F

Sunrise:

06:21

Sunset:

19:44

Day Length:

13 h. 23 min.

Rio de Janeiro in January

Minimum:

74.6°F

Average:

78.6°F

Maximum:

82.0°F

Sea water temperature in Rio de Janeiro today

As of now, in Rio de Janeiro, the water temperature is 79.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°F higher 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 83.4°F on 2017, while the historical minimum was 76.0°F on 2025.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 80.2°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
Jan 1	82.0°F	76.2°F	78.6°F
Jan 2	81.6°F	75.4°F	78.6°F
Jan 3	81.8°F	74.1°F	78.5°F
Jan 4	81.6°F	75.9°F	78.7°F
Jan 5	81.4°F	75.4°F	78.8°F
Jan 6	81.0°F	78.0°F	78.6°F
Jan 7	80.8°F	77.2°F	79.0°F
Jan 8	80.5°F	77.7°F	79.0°F
Jan 9	80.2°F	77.8°F	79.2°F
Jan 10	79.8°F	76.2°F	79.4°F
Jan 11	80.2°F	75.4°F	79.4°F
Jan 12	80.9°F	74.9°F	79.5°F
Jan 13	80.8°F	75.3°F	79.6°F
Jan 14	80.2°F	75.7°F	79.9°F
Jan 15	79.9°F	76.0°F	79.5°F
Jan 16	80.1°F	76.1°F	79.7°F
Jan 17	79.9°F	75.9°F	79.6°F
Jan 18	80.6°F	77.6°F	80.3°F
Jan 19	80.5°F	78.2°F	80.1°F
Jan 20	80.0°F	79.3°F	79.6°F
Jan 21	80.2°F	80.9°F	79.8°F
Jan 22	80.0°F	80.7°F	79.7°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 227 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, 72.0°F in Summer, and 73.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Niterói	81.0°F	5mi
Duque de Caxias	82.5°F	12mi
São João de Meriti	82.5°F	14mi
Belford Roxo	82.5°F	17mi

* current water temperature in this city

** straight line distance from Rio de Janeiro