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Guaratiba

Water Temperature in the Atlantic Ocean in Guaratiba, Brazil: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Guaratiba in Brazil, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Guaratiba

21.6°C

TODAY

22.1°C

YESTERDAY

22.1°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Atlantic Ocean in Guaratiba is 21.6°C. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Atlantic Ocean in Guaratiba Over the Last 30 Days

The water temperature in Guaratiba today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Guaratiba will remain nearly unchanged in the coming days, its value will be 22.2°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Brazil to enhance accuracy.

Water temperature data for Guaratiba and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
May 3122.1°C22.0°C
Jun 122.4°C22.8°C
Jun 223.0°C23.8°C
Jun 323.0°C22.3°C
Jun 421.2°C22.0°C
Jun 522.1°C22.5°C
Jun 622.1°C21.8°C
Jun 721.6°C23.3°C
Jun 823.3°C21.8°C
Jun 922.8°C21.9°C
Jun 1022.8°C22.0°C
Jun 1122.5°C22.1°C
Jun 1222.5°C22.1°C
Jun 1323.0°C22.2°C
Jun 1422.5°C22.2°C
Jun 1522.5°C22.2°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Guaratiba Throughout the Year

Throughout the year, the sea temperature in Guaratiba is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 266 days, and exceeds 77°F (25°C) for 95 days.

Below is the annual chart of sea temperature changes in the Atlantic Ocean in Guaratiba.

January

MinimumAverageMaximum
23°C25.5°C28°C

February

MinimumAverageMaximum
23°C25.5°C28°C

March

MinimumAverageMaximum
24°C26.5°C29°C

April

MinimumAverageMaximum
22°C25.5°C29°C

May

MinimumAverageMaximum
21°C23.5°C26°C

June

MinimumAverageMaximum
21°C23°C25°C

July

MinimumAverageMaximum
20°C22°C24°C

August

MinimumAverageMaximum
20°C22°C24°C

September

MinimumAverageMaximum
19°C21.5°C24°C

October

MinimumAverageMaximum
19°C22.5°C26°C

November

MinimumAverageMaximum
19°C23°C27°C

December

MinimumAverageMaximum
21°C24.5°C28°C

Monthly Water Temperature Histogram for Atlantic Ocean in Guaratiba

You can explore detailed data on how the water temperature in Guaratiba varies each month:

What Beaches Are There In and Around Guaratiba?

Praia Da Pedra De Guaratiba

Praia Da Pedra De Guaratiba is a 2-stars sandy beach, is located directly in Guaratiba. There is parking. There are cafés.

Praia De Ponta Grossa

Praia De Ponta Grossa is a 2-stars sandy beach, is located directly in Guaratiba. There is parking. There are restrooms.

Praia Da Venda Grande

Praia Da Venda Grande is a 2-stars sandy beach, is located directly in Guaratiba. There is parking. There are restrooms.

Praia Do Cardo

Praia Do Cardo is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Guaratiba. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are cafés. Praia Do Cardo is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.

Barra De Guaratiba

Barra De Guaratiba is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Guaratiba. There is parking.

Praias De Barra De Guaratiba

Praias De Barra De Guaratiba is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Guaratiba. There is parking. There are restrooms. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Praia De Sepetiba

Praia De Sepetiba is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Guaratiba. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Praia De Sepetiba is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Praia Da Marambaia

Praia Da Marambaia is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Guaratiba. There is parking. There is a shark hazard on the beach.

Guaratiba Weather

JUNE 8

20°C / 23°C
light rain

humidity: 88% | wind: 3 km/h

JUNE 9

19°C / 19°C
light rain

humidity: 86% | wind: 4 km/h

JUNE 10

17°C / 20°C
light rain

humidity: 79% | wind: 3 km/h

JUNE 11

17°C / 19°C
light rain

humidity: 76% | wind: 2 km/h

Rio de Janeiro state, BrazilRio de Janeiro state, BrazilRio de Janeiro state, Brazil

Sea Temperature in the Atlantic Ocean in Guaratiba: General Trends and Swimming Opportunities

Original name
Guaratiba
The Local Time
08:16
Time Zone
UTC-3
Sunrise
06:28
Sunset
17:14
Length of the day
10 h 45 m

The coastal area in the region of Rio de Janeiro state, Brazil, experiences a tropical climate characterized by warm, humid conditions and a year-round high temperature average of around 26°C (79°F). Rainfall is abundant especially in the warmer months from October to April, with milder and drier weather typically seen in the winter period from May to September.

Guaratiba is located in South America in the Southern Hemisphere at a latitude of -23 degrees, along the shores of the Atlantic Ocean. Guaratiba lies within the Rio de Janeiro state in Brazil.

The average annual daytime air temperature in Guaratiba is 26°C (79°F), with the average nighttime temperature being 18°C (64°F). The highest average daily temperature occurs in February, reaching 29°C (85°F), while the lowest is in July at 24°C (74°F). As for nighttime temperatures, the minimum average temperature of 15°C (59°F) is recorded in July, and the maximum is in February, reaching 21°C (70°F).

According to historical data, Guaratiba experiences 164 rainy days per year, which accounts for 45 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is January, with 19 rainy days and 180 mm (7.1 inches) of precipitation, while the driest month is July, which typically has 8 rainy days and only 47 mm (1.9 inches) of precipitation.

The average annual water temperature in Atlantic Ocean in Guaratiba is 24°C (75°F). In September, the water reaches its lowest point of the year at 19°C (66°F), while in March, it peaks at 29°C (84°F). The months suitable for comfortable beach vacations and swimming in the Atlantic Ocean are January, February, March, April, May, June, and December. During this period, the water temperature stays above 20°C (68°F) and can reach up to 29°C (84°F) on some days.

Geographical Location of Guaratiba

Frequently Asked Questions About Guaratiba and its Water Temperatures

What is the current sea temperature in Guaratiba?

The water temperature today in the Atlantic Ocean in Guaratiba is 71°F (21.6°C).

In which months is the water temperature in Guaratiba comfortable for swimming?

The water temperature in the Atlantic Ocean in Guaratiba is comfortable for swimming and beach vacations in January, February, March, April, May, June, and December.

What is the water temperature in Guaratiba during the winter?

The water temperature in the Atlantic Ocean in Guaratiba during the winter ranges from 21°C to 28°C (70°F to 82°F).

What is the water temperature in Guaratiba during the spring?

The water temperature in the Atlantic Ocean in Guaratiba during the spring ranges from 21°C to 29°C (70°F to 84°F).

What is the water temperature in Guaratiba during the summer?

The water temperature in the Atlantic Ocean in Guaratiba during the summer ranges from 20°C to 25°C (68°F to 77°F).

What is the water temperature in Guaratiba during the fall?

The water temperature in the Atlantic Ocean in Guaratiba during the fall ranges from 19°C to 27°C (66°F to 81°F).

Is it possible to swim in the sea in Guaratiba year-round?

No, it is not possible to swim in the Atlantic Ocean in Guaratiba year-round, the months suitable for comfortable swimming are January, February, March, April, May, June, and December.

What sea temperatures can I expect in Guaratiba in the next month?

In July, the water temperature in the Atlantic Ocean in Guaratiba will range between 68°F (20°C) and 75°F (24°C)