August weather forecast
Buenos Aires, Costa Rica

August

Weather in August

August, the last month of the summer in Buenos Aires, is another warm month, with an average temperature ranging between min 24.5°C (76.1°F) and max 28.3°C (82.9°F).

Temperature

As Buenos Aires welcomes August, the average high-temperature records at a still warm 28.3°C (82.9°F), marking an insignificant deviation from the prior month. Buenos Aires encounters an average temperature dip to a still warm 24.5°C (76.1°F) throughout August, subtly lower than its daytime maximum.

Heat index

Throughout August, the heat index is estimated at a hot 34°C (93.2°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in August is 84%.

Rainfall

In Buenos Aires, during August, the rain falls for 30.2 days and regularly aggregates up to 272mm (10.71") of precipitation. In Buenos Aires, during the entire year, the rain falls for 327.5 days and collects up to 2299mm (90.51") of precipitation.

Daylight

In Buenos Aires, the average length of the day in August is 12h and 25min.
On the first day of August, sunrise is at 05:24 and sunset at 17:55. On the last day of the month, sunrise is at 05:24 and sunset at 17:42 CST.

Sunshine

The average sunshine in August is 8.1h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During August, 7 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot does it get in Buenos Aires in August?
The high-temperature during August is 28.3°C (82.9°F) and the low-temperature is 24.5°C (76.1°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 34°C (93.2°F).
What is the average humidity in August?
In Buenos Aires, the average relative humidity in August is 84%.
How much does it rain in August?
In Buenos Aires, in August, during 30.2 rainfall days, 272mm (10.71") of precipitation is typically accumulated.
What is the average length of the day in August in Buenos Aires?
In August, the average day length is 12h and 25min.
What time are sunrise and sunset in August?
On the first day of August, sunrise is at 05:24 and sunset at 17:55. On the last day of the month, sunrise is at 05:24 and sunset at 17:42 CST.
How long on average sun shines in August?
In August, the average sunshine duration is 8.1h.
What are the months with the highest UV index?
The months with the highest UV index are January through October and December, with an average maximum UV index of 7.
How high is the UV index in August?
In August, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Buenos Aires, Costa Rica
Average temperature in August
Buenos Aires, Costa Rica
  • Average high temperature in August: 28.3°C

The warmest month (with the highest average high temperature) is March (30.7°C).
The month with the lowest average high temperature is October (27.7°C).

  • Average low temperature in August: 24.5°C

The month with the highest average low temperature is April (25°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).

Average pressure in August - Buenos Aires, Costa Rica
Average pressure in August
Buenos Aires, Costa Rica
  • Average pressure in August: 1011.2mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed in August - Buenos Aires, Costa Rica
Average wind speed in August
Buenos Aires, Costa Rica
  • Average wind speed in August: 6.6km/h

The windiest month (with the highest average wind speed) is October (7.5km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).

Average humidity in August - Buenos Aires, Costa Rica
Average humidity in August
Buenos Aires, Costa Rica
  • Average humidity in August: 84%

The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is March (75%).

Average rainfall in August - Buenos Aires, Costa Rica
Average rainfall in August
Buenos Aires, Costa Rica
  • Average rainfall in August: 272mm

The wettest month (with the highest rainfall) is October (362mm).
The driest month (with the least rainfall) is February (44mm).

Average rainfall days in August - Buenos Aires, Costa Rica
Average rainfall days in August
Buenos Aires, Costa Rica
  • Average rainfall days in August: 30.2 days

The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (18.9 days).

Average daylight in August / Average sunshine in August - Buenos Aires, Costa Rica
Average daylight in August /
Average sunshine in August
Buenos Aires, Costa Rica
  • Average daylight in August: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in August: 8h and 1min

The months with the most sunshine are January, February and March (Average sunshine: 9h and 30min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).

Average sunshine days in August - Buenos Aires, Costa Rica
Average sunshine days in August
Buenos Aires, Costa Rica
  • Average sunshine days in August: 0.7 days

The month with the most sunshine days is February (3.6 days).
The month with the least sunshine days is November (0.1 days).

Average UV index in August - Buenos Aires, Costa Rica
Average UV index in August
Buenos Aires, Costa Rica
  • Average UV index in August: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

Average cloud cover in August - Buenos Aires, Costa Rica
Average cloud cover in August
Buenos Aires, Costa Rica
  • Average cloud cover in August: 47

The month with the most cloud cover is October (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 21).

Average visibility in August - Buenos Aires, Costa Rica
Average visibility in August
Buenos Aires, Costa Rica
  • Average visibility in August: 9km

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

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