October weather forecast and climate
Porto Alegre, Brazil

What is the temperature in October in Porto Alegre?

The average high-temperature, in October, in Porto Alegre, is 24.4°C (75.9°F), while the average low-temperature is 15°C (59°F).

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

In Porto Alegre, Brazil, during October, the rain falls for 9 days and regularly aggregates up to 121.3mm (4.8") of precipitation.

What is the sea temperature in October in Porto Alegre?

In Porto Alegre, Brazil, in October, the average water temperature is 18.9°C (66°F). For most, swimming in 18.9°C (66°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 October - Porto Alegre, Brazil
  • Average high temperature in October: 24.4°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 October: 15°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 October - Porto Alegre, Brazil
  • Average humidity in October: 74%

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

Average rainfall in October - Porto Alegre, Brazil
  • Average rainfall in October: 121.3mm

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 October - Porto Alegre, Brazil
  • Average rainfall days in October: 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 October - Porto Alegre, Brazil
  • Average sea temperature in October: 18.9°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 October / Average sunshine in October - Porto Alegre, Brazil
  • Average daylight in October: 12.8h

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 October: 6.5h

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 October - Porto Alegre, Brazil
  • Average UV index in October: 10

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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