Porto Alegre
Brazil
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Porto Alegre, Brazil

January in Porto Alegre, Brazil, is a hot summer month, with average temperature varying between 30.3°C (86.5°F) and 20°C (68°F). In January, the average high-temperature is essentially the same as in December - a hot 30.3°C (86.5°F). Weather in January »

February, the last month of the summer, in Porto Alegre, is another hot month, with average temperature varying between 20°C (68°F) and 30.5°C (86.9°F). With an average high-temperature of 30.5°C (86.9°F) and an average low-temperature of 20°C (68°F), February is the warmest month. The average heat index is appraised at a sweltering 37.1°C (98.8°F). Weather in February »

The first month of the autumn, March, is still a warm month in Porto Alegre, Brazil, with average temperature varying between 28°C (82.4°F) and 18.2°C (64.8°F). In Porto Alegre, the average high-temperature in March is essentially the same as in February - a warm 28°C (82.4°F). Weather in March »

April, like March, in Porto Alegre, Brazil, is a moderately hot autumn month, with average temperature fluctuating between 25.5°C (77.9°F) and 15.8°C (60.4°F). In Porto Alegre, Brazil, the average high-temperature is almost the same as in March - a still warm 25.5°C (77.9°F). Weather in April »

The last month of the autumn, May, is another pleasant month in Porto Alegre, Brazil, with average temperature ranging between min 13.4°C (56.1°F) and max 21.9°C (71.4°F). In Porto Alegre, the average high-temperature in May slightly decreases, from a moderately hot 25.5°C (77.9°F) in April, to a pleasant 21.9°C (71.4°F). Weather in May »

June, the first month of the winter, in Porto Alegre, is also an enjoyable month, with average temperature fluctuating between 11.2°C (52.2°F) and 19.3°C (66.7°F). In Porto Alegre, Brazil, the average high-temperature is almost the same as in May - a comfortable 19.3°C (66.7°F). Weather in June »

July, the same as June, is another comfortable winter month in Porto Alegre, Brazil, with temperature in the range of an average low of 10.6°C (51.1°F) and an average high of 18.8°C (65.8°F). The coldest month is July, with an average high-temperature of 18.8°C (65.8°F) and an average low-temperature of 10.6°C (51.1°F). Weather in July »

The last month of the winter, August, is a pleasant month in Porto Alegre, Brazil, with average temperature varying between 21.1°C (70°F) and 11.9°C (53.4°F). In Porto Alegre, the average high-temperature in August is relatively the same as in July - a pleasant 21.1°C (70°F). Weather in August »

The first month of the spring, September, is also an agreeable month in Porto Alegre, Brazil, with average temperature ranging between max 22°C (71.6°F) and min 13.1°C (55.6°F). In Porto Alegre, the average high-temperature in September is relatively the same as in August - a still pleasant 22°C (71.6°F). Weather in September »

October is a moderately hot spring month in Porto Alegre, Brazil, with average temperature fluctuating between 14.7°C (58.5°F) and 24.5°C (76.1°F). In Porto Alegre, the average high-temperature in October is essentially the same as in September - a moderately hot 24.5°C (76.1°F). Weather in October »

The last month of the spring, November, is another warm month in Porto Alegre, Brazil, with average temperature fluctuating between 16.7°C (62.1°F) and 27.1°C (80.8°F). In November, the average high-temperature is essentially the same as in October - a still moderately hot 27.1°C (80.8°F). Weather in November »

December, the first month of the summer, in Porto Alegre, is also a moderately hot month, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 19°C (66.2°F). In Porto Alegre, the average high-temperature is almost the same as in November - a still moderately hot 29.8°C (85.6°F). Weather in December »

How many days does it rain in Porto Alegre?

In Porto Alegre, Brazil, during the entire year, the rain falls for 148.3 days and collects up to 805mm (31.69") of precipitation.

What is the month with the warmest sea water in Porto Alegre?

January is the month with the warmest seawater in Porto Alegre, with an average sea temperature of 24.7°C (76.5°F).

What is the warmest month in Porto Alegre?

The warmest month in Porto Alegre is February, with an average high-temperature of 30.5°C (86.9°F) and an average low-temperature of 20°C (68°F).

What is the driest month in Porto Alegre?

The month with the least rainfall in Porto Alegre, Brazil, is April when the rain falls for 9.8 days and typically collects 36mm (1.42") of precipitation.

When is the lowest UV index in Porto Alegre?

Months with the lowest UV index are May through July, with an average maximum UV index of 4.

What is the most humid month in Porto Alegre?

June is the most humid month in Porto Alegre, with an average relative humidity of 81%.

What is the month with the shortest days in Porto Alegre?

The month with the shortest days is June, with an average of 10.2h of daylight.

What is the coldest month in Porto Alegre?

The coldest month is July, with an average high-temperature of 18.8°C (65.8°F) and an average low-temperature of 10.6°C (51.1°F).

What is the wettest month in Porto Alegre?

The month with the most rainfall is July when the rain falls for 12.1 days and typically aggregates up to 103mm (4.06") of precipitation.

What is the month with the coldest sea water in Porto Alegre?

With an average sea temperature of 15.8°C (60.4°F), August is the month with the coldest seawater in Porto Alegre.

What is the month with the least sunshine in Porto Alegre?

The month with the least sunshine is September, with an average of 7h of sunshine.

What is the least humid month in Porto Alegre?

With an average relative humidity of 71%, December is the least humid month.

When are the longest days in Porto Alegre?

With an average of 14.1h of daylight, December has the longest days of the year in Porto Alegre.

What month has the most sunshine in Porto Alegre?

December has the most sunshine of the year in Porto Alegre, with an average of 8.3h of sunshine.

What is the month with the highest UV index in Porto Alegre?

December is the month with the highest UV index in Porto Alegre, with an average maximum UV index of 7.
Average temperature - Porto Alegre, Brazil
Average humidity - Porto Alegre, Brazil
Average rainfall - Porto Alegre, Brazil
Average rainfall days - Porto Alegre, Brazil

The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is April (9.8 days).

Average sea temperature - Porto Alegre, Brazil

The best month for swimming (with the highest average sea temperature) is January (24.7°C).
The coldest month (with the lowest average sea temperature) is August (15.8°C).

Average daylight / Average sunshine - Porto Alegre, Brazil

The month with the longest days is December (Average daylight: 14.1h).
The month with the shortest days is June (Average daylight: 10.2h).

The month with the most sunshine is December (Average sunshine: 8.3h).
The month with the least sunshine is September (Average sunshine: 7h).