Annual average weather for State of Rio de Janeiro, Brazil

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Annual Average Weather for State of Rio de Janeiro, Brazil

The annual average maximum daily temperature is 27.9°C (82.2°F) which is very warm and perfect for sunbathing on clear days. The annual average water temperature is typically 24.0°C (75.1°F) which is warm and pleasant for relaxing and swimming for long periods. Annually there are on average 9.7 days of rain per month and 6.8 hours of sun per day.

When is the best time to visit State of Rio de Janeiro?

The best months to visit State of Rio de Janeiro are March, April, May, 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 September 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 (75°F) which is warm and pleasant for relaxing and swimming for long periods.

Can you sunbathe in State of Rio de Janeiro year round?

Yes, you can sunbathe in State of Rio de Janeiro all year round.

The weather is best for sunbathing in the months from September to May when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in State of Rio de Janeiro year round?

Yes, you can swim in State of Rio de Janeiro all year round.

The warmest sea water temperatures in State of Rio de Janeiro 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 (75°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

When is the hottest month in State of Rio de Janeiro?

The hottest month in State of Rio de Janeiro is February when the average maximum temperature is very hot and perfect for sunbathing on clear days 32°C (89°F), average temperature is 27°C (81°F) and average minimum temperature is 24°C (74°F).

More info about the annual temperatures and sunshine.

When is the coldest month in State of Rio de Janeiro?

The coolest month in State of Rio de Janeiro is July when the average maximum temperature is 25°C (78°F), average temperature is 21°C (71°F) and average minimum temperature is 18°C (65°F).

More info about the annual temperatures and sunshine

When is the sunniest month in State of Rio de Janeiro?

The sunniest days in State of Rio de Janeiro are in August which has the most hours of sunshine per day. In August the sunshine percentage is 69.4% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

More info about the annual sunshine.

When is the least sunny month in State of Rio de Janeiro?

December has the least sunshine. In December the sunshine percentage is 41.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.6 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in State of Rio de Janeiro?

The driest month in State of Rio de Janeiro is January with 0cm (0inches) of rain and August has the fewest days of rain with 5.9 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in State of Rio de Janeiro?

The wettest month in State of Rio de Janeiro is July with 1.4cm (0.6inches) of rain and November has the most days of rain with 13.5 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in State of Rio de Janeiro?

The coldest sea water temperatures in State of Rio de Janeiro 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.

When is the sea the warmest in State of Rio de Janeiro?

The warmest sea water temperatures in State of Rio de Janeiro 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.

When is the most humid month in State of Rio de Janeiro?

The most humid month in State of Rio de Janeiro is January with a dew point (an indicator of humidity) of 24°C (75°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

More info about the annual humidity.

When is the least humid month in State of Rio de Janeiro?

The least humid month in State of Rio de Janeiro is July with a dew point of 19°C (66°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the windiest month in State of Rio de Janeiro?

The most windy month in State of Rio de Janeiro is October when the average maximum windspeed is 25KM/H (16MPH) and the average wind speed is 12KM/H (8MPH).

More info about the annual wind conditions.

Annual Temperature for State of Rio de Janeiro

The hottest month in State of Rio de Janeiro is February when the average maximum temperature is 32°C (89°F), average temperature is 27°C (81°F) and average minimum temperature is 24°C (74°F).

The coolest month in State of Rio de Janeiro is July when the average maximum temperature is 25°C (25°F), average temperature is 21°C (71°F) and average minimum temperature is 18°C (65°F).

Annual Sunshine for State of Rio de Janeiro

The longest days in State of Rio de Janeiro 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 State of Rio de Janeiro are in August which has the most hours of sunshine per day. The sunshine percentage is 69.4% 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 41.4% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.6 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.

Annual Sea Temperature for State of Rio de Janeiro

The warmest sea water temperatures in State of Rio de Janeiro 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 (75°F) which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for State of Rio de Janeiro

The wettest month in State of Rio de Janeiro is July with 1.4cm (0.6inches) of rain and November has the most days of rain with 13.5 days with some rain, a pretty wet time to visit the beach.

The driest month in State of Rio de Janeiro is January with 0cm (0inches) of rain and August has the fewest days of rain with 5.9 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for State of Rio de Janeiro

The most humid month in State of Rio de Janeiro is January with a dew point (an indicator of humidity) of 24°C (75°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

The least humid month in State of Rio de Janeiro is July with a dew point of 19°C (66°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

Annual Wind Speed for State of Rio de Janeiro

The most windy month in State of Rio de Janeiro is October when the average maximum windspeed is 25KM/H (16MPH) and the average wind speed is 12KM/H (8MPH).

The least windy month in State of Rio de Janeiro is May when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 9KM/H (6MPH).

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