Annual average weather for Porto Alegre, Brazil

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Annual Average Weather for Porto Alegre, Brazil

The annual average maximum daily temperature is 25.0°C (76.9°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 21.5°C (70.8°F) which is comfortable for swimming though some may prefer warmer water. Annually there are on average 11.3 days of rain per month and 6.1 hours of sun per day.

When is the best time to visit Porto Alegre?

The best months to visit Porto Alegre are January, February, March, April, 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 November to March 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 22°C (71°F) which is comfortable for swimming though some may prefer warmer water.

Can you sunbathe in Porto Alegre year round?

No, you can't sunbathe in Porto Alegre all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

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

More info about the annual temperatures and sunshine.

Can you swim in Porto Alegre year round?

No, you can't swim in Porto Alegre all year round.

The warmest sea water temperatures in Porto Alegre are found in March when they peak at 25°C (77°F) and lowest in July when they dip to 16°C (60°F).

The sea temperature is above average for swimming between December and May when the sea temperature is above 22°C (71°F) which is comfortable for swimming though some may prefer warmer water.

For very comfortable swimming conditions try swimming in the months from December to May when the sea temperature is above 22°C (72°F)

More info about the annual sea temperatures

When is the hottest month in Porto Alegre?

The hottest month in Porto Alegre is January when the average maximum temperature is very hot and perfect for sunbathing on clear days 30°C (87°F), average temperature is 25°C (78°F) and average minimum temperature is 21°C (69°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Porto Alegre?

The coolest month in Porto Alegre is July when the average maximum temperature is 19°C (67°F), average temperature is 14°C (58°F) and average minimum temperature is 10°C (49°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Porto Alegre?

The sunniest days in Porto Alegre are in February which has the most hours of sunshine per day. In February the sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in Porto Alegre?

September has the least sunshine. In September the sunshine percentage is 43% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Porto Alegre?

The driest month in Porto Alegre is March with 4.4cm (1.7inches) of rain and April has the fewest days of rain with 9.5 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Porto Alegre?

The wettest month in Porto Alegre is December with 24.7cm (9.7inches) of rain and February has the most days of rain with 12.8 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 Porto Alegre?

The coldest sea water temperatures in Porto Alegre are found in July when they dip to 16°C (60°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

More info about the annual sea temperatures.

When is the sea the warmest in Porto Alegre?

The warmest sea water temperatures in Porto Alegre are found in March when they peak at 25°C (77°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the most humid month in Porto Alegre?

The most humid month in Porto Alegre is February with a dew point (an indicator of humidity) of 22°C (72°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 Porto Alegre?

The least humid month in Porto Alegre is July with a dew point of 14°C (57°F) which is comfortable for everyone.

More info about the annual humidity.

When is the windiest month in Porto Alegre?

The most windy month in Porto Alegre is December when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 13KM/H (8MPH).

More info about the annual wind conditions.

Annual Temperature for Porto Alegre

The hottest month in Porto Alegre is January when the average maximum temperature is 30°C (87°F), average temperature is 25°C (78°F) and average minimum temperature is 21°C (69°F).

The coolest month in Porto Alegre is July when the average maximum temperature is 19°C (19°F), average temperature is 14°C (58°F) and average minimum temperature is 10°C (49°F).

Annual Sunshine for Porto Alegre

The longest days in Porto Alegre are in December, with an average of 14.1 hours of daylight per day. June has the shortest days with an average of 10.2 hours of daylight per day.

The sunniest days in Porto Alegre are in February which has the most hours of sunshine per day. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day.

September has the least sunshine. The sunshine percentage is 43% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

The ultraviolet index is the highest in January when it reaches 14.5 and lowest in June when it reaches 3.5.

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 Porto Alegre

The warmest sea water temperatures in Porto Alegre are found in March when they peak at 25°C (77°F) and lowest in July when they dip to 16°C (60°F).

The sea is best for swimming between December and May when the temperature is above 22°C (71°F) which is comfortable for swimming though some may prefer warmer water.

Annual Rainfall for Porto Alegre

The wettest month in Porto Alegre is December with 24.7cm (9.7inches) of rain and February has the most days of rain with 12.8 days with some rain, a pretty wet time to visit the beach.

The driest month in Porto Alegre is March with 4.4cm (1.7inches) of rain and April has the fewest days of rain with 9.5 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Porto Alegre

The most humid month in Porto Alegre is February with a dew point (an indicator of humidity) of 22°C (72°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 Porto Alegre is July with a dew point of 14°C (57°F) which is comfortable for everyone.

Annual Wind Speed for Porto Alegre

The most windy month in Porto Alegre is December when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 13KM/H (8MPH).

The least windy month in Porto Alegre is May when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 8KM/H (5MPH).

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