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

76.5

°F

October 5, 11:40

Trend:

stable

Yesterday:

75.3°F

Tomorrow:

76.2°F

Sunrise:

05:29

Sunset:

17:53

Day Length:

12 h. 24 min.

Niterói in October

Minimum:

76.0°F

Average:

80.0°F

Maximum:

83.7°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 76.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 80.0°F on 2020, while the historical minimum was 69.6°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.2°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
Sep 21 73.1°F 73.6°F 74.3°F
Sep 22 73.4°F 73.7°F 74.0°F
Sep 23 73.0°F 71.9°F 73.7°F
Sep 24 72.4°F 71.8°F 73.2°F
Sep 25 71.4°F 71.7°F 73.4°F
Sep 26 73.1°F 71.6°F 73.5°F
Sep 27 74.6°F 71.2°F 73.7°F
Sep 28 74.0°F 71.8°F 73.8°F
Sep 29 73.9°F 71.0°F 73.8°F
Sep 30 76.6°F 71.9°F 73.6°F
Oct 1 75.9°F 73.7°F 74.0°F
Oct 2 76.3°F 73.2°F 74.5°F
Oct 3 75.8°F 72.5°F 74.6°F
Oct 4 75.3°F 72.1°F 74.2°F
Oct 5 76.5°F 72.4°F 73.9°F
Oct 6 76.2°F 73.8°F 73.7°F
Oct 7 76.4°F 75.8°F 73.8°F
Oct 8 76.2°F 74.8°F 73.6°F
Oct 9 76.4°F 74.3°F 73.9°F
Oct 10 76.0°F 73.8°F 73.4°F
Oct 11 75.6°F 73.5°F 73.0°F
Oct 12 76.3°F 73.1°F 73.7°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 261 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, 72.3°F in Summer, and 74.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Rio de Janeiro 76.1°F 5mi
Duque de Caxias 76.6°F 15mi
São João de Meriti 76.6°F 18mi
Belford Roxo 76.6°F 21mi

* current water temperature in this city

** straight line distance from Niterói