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

72.1

°F

July 13, 08:51

Trend:

decreasing

Yesterday:

72.4°F

Tomorrow:

72.1°F

Sunrise:

06:33

Sunset:

17:23

Day Length:

10 h. 50 min.

Niterói in July

Minimum:

76.5°F

Average:

79.6°F

Maximum:

83.5°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 72.1°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. 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 stay about the same.

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 73.5°F on 2023, while the historical minimum was 68.4°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 72.0°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
Jun 29 73.6°F 71.7°F 72.7°F
Jun 30 72.6°F 71.7°F 72.6°F
Jul 1 72.8°F 72.1°F 72.7°F
Jul 2 73.9°F 72.3°F 72.5°F
Jul 3 73.5°F 72.4°F 72.6°F
Jul 4 74.3°F 72.4°F 72.6°F
Jul 5 73.4°F 70.0°F 72.4°F
Jul 6 73.2°F 69.6°F 72.2°F
Jul 7 72.5°F 70.4°F 72.0°F
Jul 8 73.6°F 70.9°F 72.1°F
Jul 9 73.3°F 69.9°F 71.9°F
Jul 10 72.7°F 70.0°F 71.8°F
Jul 11 72.9°F 70.2°F 71.8°F
Jul 12 72.4°F 70.3°F 71.8°F
Jul 13 72.1°F 71.0°F 71.9°F
Jul 14 72.1°F 70.3°F 71.8°F
Jul 15 72.1°F 70.6°F 71.8°F
Jul 16 72.1°F 70.6°F 71.9°F
Jul 17 72.1°F 70.4°F 71.8°F
Jul 18 71.7°F 70.5°F 71.5°F
Jul 19 72.0°F 70.4°F 71.8°F
Jul 20 71.9°F 70.2°F 71.6°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 263 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 72.0°F 5mi
Duque de Caxias 71.9°F 15mi
São João de Meriti 71.9°F 18mi
Belford Roxo 71.9°F 21mi

* current water temperature in this city

** straight line distance from Niterói