Buenos Aires
Argentina
Long-term weather forecast
Long-term weather forecast

August weather forecast and Climate
Buenos Aires, Argentina

The Congress Square monument in Buenos Aires, Argentina in spring
The Congress Square monument in Buenos Aires, Argentina in spring
August is a warm winter month in Buenos Aires as it sees its temperature take a small rise to read between 48.2°F (9°C) and 62.6°F (17°C) - still cold enough to maintain the warmth but reasonably sufficient because the sunshine hours are now up to 6.
Rainfall is still part of the weather in August and will fall for averagely eight days to read 2.6 on the rain gauge meter. Humidity dropping to 75% is the most definite sign that it is about to start getting warmer, so hello spring!
Join the locals in the final winter festivals in anticipation for its closure.
  • The average high temperature in August: 17.7°C

The warmest month (with the highest average high temperature) is January (30.4°C).
The month with the lowest average high temperature is July (16°C).

  • The average low temperature in August: 8.7°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

  • The average humidity in August: 74%

Months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is December (64%).

  • The average rainfall in August: 71.7mm

The wettest month (with the highest rainfall) is March (172.3mm).
The driest month (with the lowest rainfall) is June (54.8mm).

  • The average rainfall days in August: 7.7 days

The month with the highest number of rainy days is March (10 days).
The month with the lowest number of rainy days is May (6.6 days).

  • The average sea temperature in August: 12.7°C

The best month for swimming (with the highest average sea temperature) is January (25°C).
The coldest month (with the lowest average sea temperature) is July (11.9°C).

  • The average daylight in August: 11h

Months with the longest days are January, November and December (Average daylight: 14h).
Months with shortest days are May, June and July (Average daylight: 10h).

  • The average sunshine in August: 5.4h

The month with most sunshine is January (Average sunshine: 8.9h).
Months with least sunshine are June and July (Average sunshine: 4.8).

  • The average UV index in August: 4

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).

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