Buenos Aires
Long term weather forecast
Long term weather forecast

August weather forecast and Climate
Buenos Aires, Argentina

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.
  • Average high temperature in August: 17.7°C

Warmest month (with highest average high temperature) is January (30.4°C).
Month with lowest average high temperature is July (16°C).

  • Average low temperature in August: 8.7°C

Month with highest average low temperature is January (20.2°C).
Coldest month (with lowest average low temperature) is July (7.7°C).

  • Average humidity in August: 74%

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

  • Average rainfall in August: 71.7mm

Wettest month (with highest rainfall) is March (172.3mm).
Driest month (with lowest rainfall) is June (54.8mm).

  • Average rainfall days in August: 7.7 days

Month with highest number of rainy days is March (10 days).
Month with lowest number of rainy days is May (6.6 days).

  • Average sea temperature in August: 12.6°C

Best month for swimming (with highest average sea temperature) is January (25°C).
Coldest month (with lowest average sea temperature) is July (11.9°C).

  • Average daylight in August: 11h

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

  • Average sunshine in August: 5.4h

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

  • Average UV index in August: 4

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