All data are in degrees Fahrenheit

en

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

73.1

°F

September 21, 11:17

Trend:

decreasing

Yesterday:

73.6°F

Tomorrow:

72.8°F

Sunrise:

05:43

Sunset:

17:48

Day Length:

12 h. 5 min.

Niterói in September

Minimum:

76.1°F

Average:

79.7°F

Maximum:

83.9°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 73.1°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 1.3°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 fall a bit.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. 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 77.7°F on 2019, while the historical minimum was 69.8°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 shows a gradual cooling trend. The average temperature is expected to be 72.4°F, the minimum temperature may reach 72.0°F, and the maximum might stay at 72.8°F.

Daily water temperature in Niterói

Date Current Year

actual* / forecast**

last year 10 years average
Sep 7 73.0°F 71.5°F 72.3°F
Sep 8 72.5°F 71.2°F 72.2°F
Sep 9 72.9°F 72.7°F 72.7°F
Sep 10 72.9°F 72.1°F 73.2°F
Sep 11 72.7°F 71.2°F 73.6°F
Sep 12 73.8°F 71.5°F 73.9°F
Sep 13 73.7°F 71.4°F 74.0°F
Sep 14 73.7°F 71.1°F 74.1°F
Sep 15 73.6°F 71.7°F 74.2°F
Sep 16 72.8°F 72.3°F 73.5°F
Sep 17 72.4°F 70.8°F 73.4°F
Sep 18 72.0°F 71.8°F 73.3°F
Sep 19 71.9°F 72.0°F 73.4°F
Sep 20 73.6°F 73.4°F 73.7°F
Sep 21 73.1°F 73.6°F 74.4°F
Sep 22 72.8°F 73.7°F 74.1°F
Sep 23 72.4°F 71.9°F 73.7°F
Sep 24 72.0°F 71.8°F 73.3°F
Sep 25 72.3°F 71.7°F 73.6°F
Sep 26 72.2°F 71.6°F 73.5°F
Sep 27 72.4°F 71.2°F 73.7°F
Sep 28 72.5°F 71.8°F 73.8°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 73.0°F 5mi
Duque de Caxias 73.6°F 15mi
São João de Meriti 73.6°F 18mi
Belford Roxo 73.6°F 21mi

* current water temperature in this city

** straight line distance from Niterói