What is the current water temperature in Niterói?

As of now, in Niterói, the water temperature is 26.32°C. It's safe to say that the water is comfortably warm for various water-related activities.

Brazil > Niterói

Water temperature in Niterói

Detailed information about the current water temperature in Niterói. 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.

79.4

°F

March 5, 07:38

Trend:

increasing

Yesterday:

79.2°F

Tomorrow:

79.8°F

Sunrise:

05:50

Sunset:

18:18

Day Length:

12 h. 28 min.

Niterói in March

Minimum:

75.4°F

Average:

79.4°F

Maximum:

82.1°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 79.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 83.8°F on 2018, while the historical minimum was 77.6°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 79.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Niterói

Date	Current Year actual* / forecast**	last year	10 years average
Feb 19	84.2°F	80.2°F	80.7°F
Feb 20	84.2°F	80.8°F	80.8°F
Feb 21	83.4°F	81.5°F	80.4°F
Feb 22	83.2°F	79.6°F	80.3°F
Feb 23	83.0°F	81.1°F	80.6°F
Feb 24	82.7°F	81.1°F	80.1°F
Feb 25	84.5°F	82.0°F	80.5°F
Feb 26	83.6°F	82.2°F	80.2°F
Feb 27	83.2°F	80.5°F	80.1°F
Feb 28	82.7°F	80.5°F	80.1°F
Mar 1	82.7°F	80.0°F	80.4°F
Mar 2	81.6°F	80.5°F	80.4°F
Mar 3	79.2°F	79.2°F	80.2°F
Mar 4	79.2°F	78.1°F	80.2°F
Mar 5	79.4°F	77.6°F	80.3°F
Mar 6	79.8°F	78.7°F	80.7°F
Mar 7	79.8°F	77.1°F	80.7°F
Mar 8	79.9°F	77.9°F	80.8°F
Mar 9	79.7°F	77.9°F	80.6°F
Mar 10	79.4°F	78.0°F	80.3°F
Mar 11	79.6°F	79.1°F	80.5°F
Mar 12	79.4°F	79.3°F	80.3°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 Niterói by month

In Niterói, the months October through May offer comfortable swimming conditions, which amounts to 265 swimming days.

The warmest water in Niterói was recorded on February 14, 2018, reaching a 86.1°F. While the coldest temperature occurred on August 8, 2018, dipping to 67.8°F. The average readings by season are 79.4°F in Winter, 77.7°F in Spring, 72.2°F in Summer, and 74.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Rio de Janeiro	79.6°F	5mi
Duque de Caxias	80.6°F	15mi
São João de Meriti	80.6°F	18mi
Belford Roxo	80.6°F	21mi

* current water temperature in this city

** straight line distance from Niterói