August weather forecast
Buenos Aires, Argentina

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The Congress Square monument in Buenos Aires, Argentina
The Congress Square monument in Buenos Aires, Argentina

Weather in August

In August, Buenos Aires starts transition from winter to spring. The average high begins to rise slightly to 16.7°C (62.1°F), while the average low temperature remains relatively steady at 9.3°C (48.7°F). The weather is marked by clear skies, moderate sunshine and less humidity. August is a month of gradually warming days with an average rainfall similar to the month prior. It continues to experience mild winters, with warming sea temperatures inviting early spring swimmers.

Temperature

Buenos Aires ushers in August with an average high-temperature of a still refreshing 16.7°C (62.1°F), showing a close resemblance to the previous month. Throughout the month of August, Buenos Aires reports a steady low-temperature average of 9.3°C (48.7°F).

Humidity

In Buenos Aires, the average relative humidity in August is 73%.

Rainfall

In August, in Buenos Aires, the rain falls for 7 days. Throughout August, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 108.2 rainfall days, and 629mm (24.76") of precipitation is accumulated.

Sea temperature

In Buenos Aires, in August, the average water temperature is 12.8°C (55°F).
Note: Swimming in 12.8°C (55°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

In Buenos Aires, the average length of the day in August is 10h and 52min.
On the first day of August in Buenos Aires, sunrise is at 07:46 and sunset at 18:13. On the last day of the month, sunrise is at 07:12 and sunset at 18:34 -03.

Sunshine

The average sunshine in August in Buenos Aires, Argentina, is 7.8h.

UV index

The average daily maximum UV index in August in Buenos Aires, Argentina, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 4 in August leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the temperature in August in Buenos Aires?

In Buenos Aires, 16.7°C (62.1°F) is the average high-temperature and 9.3°C (48.7°F) is the average low-temperature during August. In February, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 32°C (89.6°F).

What is the average humidity in August in Buenos Aires?

In August, the average relative humidity is 73%.

How many days does it rain in August in Buenos Aires?

In Buenos Aires, in August, it is raining for 7 days, with typically 42mm (1.65") of accumulated precipitation.

What is the water temperature in August in Buenos Aires?

In Buenos Aires, in August, the average water temperature is 12.8°C (55°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Buenos Aires have in August?

The average day length in August in Buenos Aires is 10h and 52min.

What time are sunrise and sunset in August in Buenos Aires?

On the first day of August in Buenos Aires, sunrise is at 07:46 and sunset at 18:13. On the last day of the month, sunrise is at 07:12 and sunset at 18:34 -03.

How many hours of sunshine does Buenos Aires have in August?

The average sunshine duration in August in Buenos Aires, Argentina, is 7.8h.

How high is the UV index in August in Buenos Aires?

In August, the average daily maximum UV index in Buenos Aires is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

Average temperature in August
Buenos Aires, Argentina

Average temperature in August - Buenos Aires, Argentina
  • Average high temperature in August: 16.7°C

The warmest month (with the highest average high temperature) is January (30.9°C).
The month with the lowest average high temperature is July (14°C).

  • Average low temperature in August: 9.3°C

The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

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Average pressure in August
Buenos Aires, Argentina

Average pressure in August - Buenos Aires, Argentina
  • Average pressure in August: 1018.7mbar

The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

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Average wind speed in August
Buenos Aires, Argentina

Average wind speed in August - Buenos Aires, Argentina
  • Average wind speed in August: 14.8km/h

The windiest month (with the highest average wind speed) is September (15.8km/h).
The calmest month (with the lowest average wind speed) is March (13.2km/h).

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Average humidity in August
Buenos Aires, Argentina

Average humidity in August - Buenos Aires, Argentina
  • Average humidity in August: 73%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (56%).

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Average rainfall in August
Buenos Aires, Argentina

Average rainfall in August - Buenos Aires, Argentina
  • Average rainfall in August: 42mm

The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is June (38mm).

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Average rainfall days in August
Buenos Aires, Argentina

Average rainfall days in August - Buenos Aires, Argentina
  • Average rainfall days in August: 7 days

The month with the highest number of rainy days is October (10.8 days).
The month with the least rainy days is August (7 days).

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Average sea temperature in August
Buenos Aires, Argentina

Average sea temperature in August - Buenos Aires, Argentina
  • Average sea temperature in August: 12.8°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).

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Average daylight in August /
Average sunshine in August
Buenos Aires, Argentina

Average daylight in August / Average sunshine in August - Buenos Aires, Argentina
  • Average daylight in August: 10h and 5min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in August: 7h and 5min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

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Average sunshine days in August
Buenos Aires, Argentina

Average sunshine days in August - Buenos Aires, Argentina
  • Average sunshine days in August: 21.3 days

The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is October (17.4 days).

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Average UV index in August
Buenos Aires, Argentina

Average UV index in August - Buenos Aires, Argentina
  • Average UV index in August: 4

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are June and July (UV index 3).

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Average cloud cover in August
Buenos Aires, Argentina

Average cloud cover in August - Buenos Aires, Argentina
  • Average cloud cover in August: 32

The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).

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Average visibility in August
Buenos Aires, Argentina

Average visibility in August - Buenos Aires, Argentina
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

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Buenos Aires, Argentina

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