What is the current water temperature in Niterói?

Q: What is the current water temperature in Niterói?

As of now, in Niterói, the water temperature is 21.06°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Brazil > Niterói

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.

69.9

°F

August 5, 14:45

Trend:

stable

Yesterday:

70.0°F

Tomorrow:

70.1°F

Sunrise:

06:24

Sunset:

17:33

Day Length:

11 h. 9 min.

Niterói in August

Minimum:

76.2°F

Average:

79.6°F

Maximum:

84.1°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 69.9°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 2.0°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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.2°F on 2024, while the historical minimum was 69.5°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 70.2°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
Jul 22	71.5°F	72.7°F	72.0°F
Jul 23	71.1°F	72.6°F	71.7°F
Jul 24	70.9°F	72.3°F	71.9°F
Jul 25	70.6°F	72.6°F	71.8°F
Jul 26	70.7°F	72.6°F	71.9°F
Jul 27	70.9°F	72.4°F	72.1°F
Jul 28	71.5°F	72.0°F	72.4°F
Jul 29	71.4°F	73.2°F	72.4°F
Jul 30	71.5°F	72.8°F	72.2°F
Jul 31	70.4°F	72.5°F	72.1°F
Aug 1	69.5°F	73.5°F	71.9°F
Aug 2	69.6°F	73.2°F	71.8°F
Aug 3	69.2°F	73.1°F	71.5°F
Aug 4	70.0°F	73.1°F	71.4°F
Aug 5	69.9°F	74.2°F	71.9°F
Aug 6	70.1°F	74.7°F	72.1°F
Aug 7	70.2°F	74.2°F	72.2°F
Aug 8	70.1°F	74.0°F	72.1°F
Aug 9	70.3°F	74.5°F	72.3°F
Aug 10	70.1°F	74.2°F	72.1°F
Aug 11	70.2°F	74.4°F	72.2°F
Aug 12	70.1°F	74.2°F	72.1°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 September through May offer comfortable swimming conditions, which amounts to 267 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, 72.3°F in Summer, and 74.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Rio de Janeiro	69.9°F	5mi
Duque de Caxias	70.5°F	15mi
São João de Meriti	70.5°F	18mi
Belford Roxo	70.5°F	21mi

* current water temperature in this city

** straight line distance from Niterói