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Best
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Tan
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Sea
26°
Swim
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Sea
27°
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Sea
27°
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Sea
25°
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25°
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Sea
24°
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23°
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21°
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22°
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22°
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Sea
24°
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25°
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The annual average maximum daily temperature is 27.5°C (81.5°F) which is very warm and perfect for sunbathing on clear days. The annual average water temperature is typically 24.2°C (75.6°F) which is warm and pleasant for relaxing and swimming for long periods. Annually there are on average 10.6 days of rain per month and 6.7 hours of sun per day.
The best months to visit Niteroi are April, May, June, August, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The weather is perfect for sunbathing in the months from October to May when the maximum temperature reaches above 26°C (72°F)
The sea is best for swimming between December and May when the sea temperature is above the average 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.
Yes, you can sunbathe in Niteroi all year round.
The weather is best for sunbathing in the months from October to May when the maximum temperature reaches above 26°C (72°F)
More info about the annual temperatures and sunshine.
Yes, you can swim in Niteroi all year round.
The warmest sea water temperatures in Niteroi are found in February when they peak at 27°C (81°F) and lowest in August when they dip to 21°C (70°F).
The sea temperature is above average for swimming between December and May when the sea temperature is above 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.
For perfect swimming and lounging all day, try the months from December to March when the sea temperature is above 26°C (79°F)
More info about the annual sea temperatures
The hottest month in Niteroi is February when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (87°F), average temperature is 27°C (81°F) and average minimum temperature is 24°C (75°F).
More info about the annual temperatures and sunshine.
The coolest month in Niteroi is July when the average maximum temperature is 25°C (77°F), average temperature is 22°C (71°F) and average minimum temperature is 19°C (66°F).
More info about the annual temperatures and sunshine
The driest month in Niteroi is January with 0cm (0inches) of rain and August has the fewest days of rain with 5.8 days with some rain, a quite rainy time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in Niteroi are found in August when they dip to 21°C (70°F) which is comfortable for swimming though some may prefer warmer water.
More info about the annual sea temperatures.
The warmest sea water temperatures in Niteroi are found in February when they peak at 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures.
The most humid month in Niteroi is January with a dew point (an indicator of humidity) of 24°C (75°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
More info about the annual humidity.
The least humid month in Niteroi is July with a dew point of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
More info about the annual humidity.
The most windy month in Niteroi is October when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 11KM/H (7MPH).
More info about the annual wind conditions.
The hottest month in Niteroi is February when the average maximum temperature is 31°C (87°F), average temperature is 27°C (81°F) and average minimum temperature is 24°C (75°F).
The coolest month in Niteroi is July when the average maximum temperature is 25°C (25°F), average temperature is 22°C (71°F) and average minimum temperature is 19°C (66°F).
The longest days in Niteroi are in December, with an average of 13.5 hours of daylight per day. June has the shortest days with an average of 10.7 hours of daylight per day.
The sunniest days in Niteroi are in August which has the most hours of sunshine per day. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.
December has the least sunshine. The sunshine percentage is 39% making it very cloudy and overcast with some periods of sunshine. There are 5.3 hours of sunshine per day.
The ultraviolet index is the highest in January when it reaches 15.4 and lowest in June when it reaches 5.6.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Niteroi are found in February when they peak at 27°C (81°F) and lowest in August when they dip to 21°C (70°F).
The sea is best for swimming between December and May when the temperature is above 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.
The wettest month in Niteroi is July with 2.3cm (0.9inches) of rain and November has the most days of rain with 15.1 days with some rain, a wet time to visit the beach.
The driest month in Niteroi is January with 0cm (0inches) of rain and August has the fewest days of rain with 5.8 days with some rain, a quite rainy time to visit the beach.
The most humid month in Niteroi is January with a dew point (an indicator of humidity) of 24°C (75°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Niteroi is July with a dew point of 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
