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

74.0

°F

April 23, 17:38

Trend:

stable

Yesterday:

73.2°F

Tomorrow:

74.0°F

Sunrise:

06:09

Sunset:

17:33

Day Length:

11 h. 24 min.

Niterói in April

Minimum:

77.7°F

Average:

79.6°F

Maximum:

83.4°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 74.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.9°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 80.0°F on 2016, while the historical minimum was 73.5°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 73.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Niterói

Date Current Year

actual* / forecast**

last year 10 years average
Apr 9 76.6°F 77.8°F 78.9°F
Apr 10 77.5°F 77.6°F 79.1°F
Apr 11 77.4°F 77.1°F 78.7°F
Apr 12 74.7°F 77.7°F 78.3°F
Apr 13 75.4°F 76.8°F 78.2°F
Apr 14 74.7°F 76.7°F 78.5°F
Apr 15 73.9°F 75.6°F 78.4°F
Apr 16 73.8°F 75.7°F 77.8°F
Apr 17 73.3°F 75.2°F 77.5°F
Apr 18 75.5°F 75.9°F 77.4°F
Apr 19 74.8°F 75.5°F 77.1°F
Apr 20 73.5°F 77.4°F 76.8°F
Apr 21 74.6°F 76.7°F 76.3°F
Apr 22 73.2°F 76.7°F 76.3°F
Apr 23 74.0°F 76.4°F 76.9°F
Apr 24 74.0°F 76.0°F 76.8°F
Apr 25 73.7°F 76.0°F 76.6°F
Apr 26 73.9°F 76.1°F 76.7°F
Apr 27 73.6°F 75.7°F 76.4°F
Apr 28 74.0°F 76.0°F 76.8°F
Apr 29 74.0°F 75.7°F 76.8°F
Apr 30 73.9°F 75.8°F 76.7°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 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, 77.6°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 74.2°F 5mi
Duque de Caxias 77.0°F 15mi
São João de Meriti 77.0°F 18mi
Belford Roxo 77.0°F 21mi

* current water temperature in this city

** straight line distance from Niterói