What is the current water temperature in Niterói?

As of now, in Niterói, the water temperature is 27.96°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

82.3

°F

January 13, 05:20

Trend:

increasing

Yesterday:

82.1°F

Tomorrow:

82.7°F

Sunrise:

06:19

Sunset:

19:43

Day Length:

13 h. 24 min.

Niterói in January

Minimum:

75.9°F

Average:

79.2°F

Maximum:

82.3°F

Sea water temperature in Niterói today

As of now, in Niterói, the water temperature is 82.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.5°F on 2021, while the historical minimum was 75.9°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 82.8°F, with minimum temperature starting at 82.5°F, while the maximum might reach 83.2°F.

Daily water temperature in Niterói

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	82.3°F	75.9°F	79.2°F
Jan 2	82.0°F	76.6°F	79.4°F
Jan 3	82.0°F	75.4°F	79.4°F
Jan 4	81.8°F	77.9°F	79.6°F
Jan 5	81.8°F	77.0°F	79.6°F
Jan 6	81.4°F	78.3°F	79.3°F
Jan 7	81.1°F	77.8°F	79.6°F
Jan 8	80.9°F	78.0°F	79.6°F
Jan 9	80.6°F	78.2°F	79.7°F
Jan 10	80.9°F	76.9°F	80.0°F
Jan 11	81.5°F	76.5°F	80.1°F
Jan 12	82.1°F	75.7°F	80.2°F
Jan 13	82.3°F	75.9°F	80.1°F
Jan 14	82.7°F	76.3°F	80.5°F
Jan 15	82.5°F	76.5°F	80.3°F
Jan 16	82.6°F	76.5°F	80.4°F
Jan 17	82.6°F	77.1°F	80.4°F
Jan 18	83.2°F	78.7°F	81.0°F
Jan 19	83.0°F	78.9°F	80.8°F
Jan 20	82.8°F	80.0°F	80.6°F
Dec 30	80.1°F	77.3°F	78.7°F
Dec 31	80.2°F	76.3°F	79.1°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 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, 77.7°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	80.8°F	5mi
Duque de Caxias	84.5°F	15mi
São João de Meriti	84.5°F	18mi
Belford Roxo	84.5°F	21mi

* current water temperature in this city

** straight line distance from Niterói