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

73.8

°F

October 30, 20:53

Trend:

decreasing

Yesterday:

74.1°F

Tomorrow:

73.7°F

Sunrise:

05:09

Sunset:

18:04

Day Length:

12 h. 55 min.

Niterói in November

Minimum:

76.1°F

Average:

80.0°F

Maximum:

83.2°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 73.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.7°F lower 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 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 78.1°F on 2019, while the historical minimum was 71.5°F on 2021.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.7°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
Oct 16 73.2°F 73.8°F 74.4°F
Oct 17 71.9°F 72.7°F 74.7°F
Oct 18 72.7°F 72.2°F 74.8°F
Oct 19 73.3°F 72.1°F 74.7°F
Oct 20 73.3°F 72.1°F 74.4°F
Oct 21 70.6°F 72.3°F 74.3°F
Oct 22 70.1°F 73.4°F 73.9°F
Oct 23 71.4°F 76.2°F 74.2°F
Oct 24 71.5°F 76.8°F 74.6°F
Oct 25 71.2°F 76.0°F 74.4°F
Oct 26 72.1°F 75.6°F 73.8°F
Oct 27 73.1°F 76.2°F 74.1°F
Oct 28 74.0°F 75.8°F 74.8°F
Oct 29 74.1°F 75.5°F 75.1°F
Oct 30 73.8°F 74.9°F 74.5°F
Oct 31 73.7°F 73.4°F 74.4°F
Nov 1 73.5°F 72.8°F 74.1°F
Nov 2 73.7°F 73.2°F 74.4°F
Nov 3 73.8°F 73.1°F 74.4°F
Nov 4 73.6°F 72.7°F 74.3°F
Nov 5 73.7°F 73.1°F 74.4°F
Nov 6 73.7°F 75.7°F 74.4°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 74.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Rio de Janeiro 72.2°F 5mi
Duque de Caxias 75.8°F 15mi
São João de Meriti 75.8°F 18mi
Belford Roxo 75.8°F 21mi

* current water temperature in this city

** straight line distance from Niterói