All data are in degrees Fahrenheit

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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.
Sea temperature in Niterói now

79.6

°F

March 15, 00:03

Trend:

increasing

Yesterday:

79.3°F

Tomorrow:

80.1°F

Sunrise:

05:54

Sunset:

18:08

Day Length:

12 h. 14 min.

Niterói in March

Minimum:

75.4°F

Average:

79.3°F

Maximum:

82.1°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 79.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 82.5°F on 2019, while the historical minimum was 78.3°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 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
Mar 1 80.0°F 81.2°F 80.2°F
Mar 2 80.5°F 81.7°F 80.2°F
Mar 3 79.2°F 80.9°F 80.2°F
Mar 4 78.1°F 81.8°F 80.2°F
Mar 5 77.6°F 80.8°F 80.2°F
Mar 6 78.7°F 80.8°F 80.6°F
Mar 7 77.1°F 80.7°F 80.6°F
Mar 8 77.9°F 80.5°F 80.7°F
Mar 9 77.9°F 80.4°F 80.5°F
Mar 10 78.0°F 80.2°F 80.2°F
Mar 11 79.1°F 79.2°F 80.3°F
Mar 12 79.3°F 78.8°F 80.3°F
Mar 13 79.3°F 77.5°F 79.9°F
Mar 14 79.3°F 76.9°F 79.7°F
Mar 15 79.6°F 78.3°F 80.0°F
Mar 16 80.1°F 79.0°F 80.5°F
Mar 17 79.9°F 79.5°F 80.3°F
Mar 18 79.6°F 79.0°F 80.0°F
Mar 19 79.9°F 80.5°F 80.2°F
Mar 20 79.6°F 80.9°F 80.0°F
Mar 21 79.6°F 81.0°F 80.0°F
Mar 22 79.4°F 80.3°F 79.8°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 September through May offer comfortable swimming conditions, which amounts to 271 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 79.3°F in Winter, 77.7°F in Spring, 72.4°F in Summer, and 74.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Rio de Janeiro 78.5°F 5mi
Duque de Caxias 81.1°F 15mi
São João de Meriti 81.1°F 18mi
Belford Roxo 81.1°F 21mi

* current water temperature in this city

** straight line distance from Niterói