Monthly weather forecast and climate
Porto Alegre, Brazil

What is the warmest month in Porto Alegre?

January is the warmest month in Porto Alegre, with an average high-temperature of 30.2°C (86.4°F) and an average low-temperature of 20.5°C (68.9°F).

How many days does it rain in Porto Alegre?

In Porto Alegre, Brazil, during the entire year, the rain falls for 101 days and collects up to 1320.4mm (52") of precipitation.

When is the sea warmest in Porto Alegre?

Month with the warmest seawater is January, with an average sea temperature of 24.7°C (76.5°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.7°C (76.5°F) water. The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).

What is the driest month in Porto Alegre?

The month with the least rainfall is April when the rain falls for 7 days and typically collects 77.3mm (3") of precipitation.

What is the coldest month in Porto Alegre?

June is the coldest month in Porto Alegre, with an average high-temperature of 19.4°C (66.9°F) and an average low-temperature of 10.7°C (51.3°F).

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. For most, swimming in 15.8°C (60.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the wettest month in Porto Alegre?

The month with the most rainfall is September when the rain falls for 10 days and typically aggregates up to 142.2mm (5.6") of precipitation.
Average temperature - Porto Alegre, Brazil
Average humidity - Porto Alegre, Brazil
Average rainfall - Porto Alegre, Brazil

The wettest month (with the highest rainfall) is September (142.2mm).
The driest month (with the lowest rainfall) is April (77.3mm).

Average rainfall days - Porto Alegre, Brazil
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
Average UV index - Porto Alegre, Brazil
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