August weather forecast and climate
Porto Alegre, Brazil

What is the temperature in August in Porto Alegre?

In Porto Alegre, in August, the average high-temperature is 20.4°C (68.7°F), and the average low-temperature is 11.5°C (52.7°F).

How many days does it rain in August in Porto Alegre?

In Porto Alegre, Brazil, in August, it is raining for 9 days, with typically 137.1mm (5.4") of accumulated 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. 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).

How cold is the water in August in Porto Alegre?

In Porto Alegre, Brazil, in August, the average water temperature is 15.8°C (60.4°F). 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).
Average temperature in August - Porto Alegre, Brazil
  • Average high temperature in August: 20.4°C

The warmest month (with the highest average high temperature) is January (30.2°C).
The month with the lowest average high temperature is June (19.4°C).

  • Average low temperature in August: 11.5°C

The month with the highest average low temperature is February (20.8°C).
Coldest months (with the lowest average low temperature) are June and July (10.7°C).

Average humidity in August - Porto Alegre, Brazil
  • Average humidity in August: 79%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (69%).

Average rainfall in August - Porto Alegre, Brazil
  • Average rainfall in August: 137.1mm

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 in August - Porto Alegre, Brazil
  • Average rainfall days in August: 9 days

The month with the highest number of rainy days is September (10 days).
Months with the lowest number of rainy days are April and December (7 days).

Average sea temperature in August - Porto Alegre, Brazil
  • Average sea temperature in August: 15.8°C

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 in August / Average sunshine in August - Porto Alegre, Brazil
  • Average daylight in August: 11.1h

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

  • Average sunshine in August: 4.9h

The month with most sunshine is December (Average sunshine: 7.9h).
The month with least sunshine is June (Average sunshine: 4.5h).

Average UV index in August - Porto Alegre, Brazil
  • Average UV index in August: 5

Months with the highest UV index are January, February, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).

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