January weather forecast and climate
Porto Alegre, Brazil

What is the warmest month in Porto Alegre?

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

What is the temperature in January in Porto Alegre?

The average high-temperature, in January, in Porto Alegre, Brazil, is 30.2°C (86.4°F), while the average low-temperature is 20.5°C (68.9°F).

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

In Porto Alegre, Brazil, in January, during 9 rainfall days, typically, 105.9mm (4.2") of precipitation is accumulated.

When is the sea warmest in Porto Alegre?

Month with the warmest seawater in Porto Alegre, Brazil, 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).

How warm is the water in January in Porto Alegre?

In Porto Alegre, in January, the average water temperature is 24.7°C (76.5°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.7°C (76.5°F).
Average temperature in January - Porto Alegre, Brazil
  • Average high temperature in January: 30.2°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 January: 20.5°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 January - Porto Alegre, Brazil
  • Average humidity in January: 71%

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

Average rainfall in January - Porto Alegre, Brazil
  • Average rainfall in January: 105.9mm

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 January - Porto Alegre, Brazil
  • Average rainfall days in January: 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 January - Porto Alegre, Brazil
  • Average sea temperature in January: 24.7°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 January / Average sunshine in January - Porto Alegre, Brazil
  • Average daylight in January: 13.8h

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 January: 7.7h

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 January - Porto Alegre, Brazil
  • Average UV index in January: 12

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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