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

76.7

°F

December 14, 09:11

Trend:

stable

Yesterday:

76.7°F

Tomorrow:

77.3°F

Sunrise:

06:01

Sunset:

19:33

Day Length:

13 h. 32 min.

Niterói in December

Minimum:

75.7°F

Average:

80.1°F

Maximum:

83.3°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 76.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 slightly 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 79.5°F on 2016, while the historical minimum was 73.9°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 77.7°F, with minimum temperature starting at 77.3°F, while the maximum might reach 78.0°F.

Daily water temperature in Niterói

Date Current Year

actual* / forecast**

last year 10 years average
Nov 30 76.1°F 75.2°F 76.2°F
Dec 1 76.1°F 76.5°F 76.2°F
Dec 2 76.2°F 75.5°F 76.0°F
Dec 3 76.5°F 75.3°F 76.0°F
Dec 4 76.3°F 75.5°F 75.6°F
Dec 5 76.6°F 75.3°F 75.9°F
Dec 6 76.8°F 75.4°F 75.7°F
Dec 7 77.8°F 77.8°F 76.2°F
Dec 8 76.9°F 77.3°F 75.9°F
Dec 9 76.4°F 77.8°F 75.8°F
Dec 10 78.8°F 78.7°F 76.3°F
Dec 11 79.4°F 78.6°F 76.2°F
Dec 12 77.3°F 76.6°F 76.3°F
Dec 13 76.7°F 75.5°F 76.6°F
Dec 14 76.7°F 76.1°F 76.8°F
Dec 15 77.3°F 76.4°F 77.4°F
Dec 16 78.0°F 79.1°F 78.2°F
Dec 17 77.9°F 77.5°F 78.0°F
Dec 18 77.5°F 76.4°F 77.6°F
Dec 19 77.4°F 76.2°F 77.5°F
Dec 20 77.9°F 76.0°F 78.0°F
Dec 21 77.9°F 78.2°F 78.0°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 79.3°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 75.2°F 5mi
Duque de Caxias 78.3°F 15mi
São João de Meriti 78.3°F 18mi
Belford Roxo 78.3°F 21mi

* current water temperature in this city

** straight line distance from Niterói