August weather forecast and climate
Atlanta, GA

Beautiful sky and cityscape of Atlanta in Georgia, USA
Beautiful sky and cityscape of Atlanta in Georgia, USA

Weather in August

The last month of the summer, August, is also a hot month in Atlanta, Georgia, with average temperature fluctuating between 89.2°F (31.8°C) and 70.7°F (21.5°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still hot 89.2°F (31.8°C). In August, the average low-temperature is 70.7°F (21.5°C).

Heat index

The average heat index in August is appraised at a sweltering 103.1°F (39.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

July and August, with an average relative humidity of 69%, are the least humid months.

Rainfall

The month with the most rainfall in Atlanta is August when the rain falls for 17.1 days and typically aggregates up to 2.32" (59mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Atlanta, the average length of the day in August is 13.4h.

Sunshine

In August, the average sunshine in Atlanta is 9.6h.

UV index

The month with the highest UV index in Atlanta is August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Atlanta?

In Atlanta, in August, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 70.7°F (21.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that represents influence of the relative humidity to air temperaure, is appraised at 103.1°F (39.5°C).

What is the least humid month in Atlanta?

Months with the lowest humidity in Atlanta, Georgia, are July and August, with an average relative humidity of 69%.

What is the average humidity in August in Atlanta?

In Atlanta, Georgia, the average relative humidity in August is 69%.

How much does it rain in Atlanta in August?

In Atlanta, during August, the rain falls for 17.1 days and regularly aggregates up to 2.32" (59mm) of precipitation.

What is the rainiest month in Atlanta?

August is the month with the most rainfall in Atlanta, Georgia. Rain falls for 17.1 days and accumulates 2.32" (59mm) of precipitation.

When it does not snow in Atlanta?

April through November are months without snowfall in Atlanta.

What is the average length of the day in August in Atlanta?

In August, the average length of the day is 13.4h.

How many hours of sunshine does Atlanta have in August?

In Atlanta, the average sunshine in August is 9.6h.

What is the month with the highest UV index in Atlanta?

With an average maximum UV index of 7, August is the month with the highest UV index in Atlanta.

What is the UV index reading in August in Atlanta?

In Atlanta, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in August
Atlanta, GA

Average temperature in August - Atlanta, GA
  • Average high temperature in August: 31.8°C

The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (10.3°C).

  • Average low temperature in August: 21.5°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

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Average pressure in August
Atlanta, GA

Average pressure in August - Atlanta, GA
  • Average pressure in August: 1016mbar

The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1015.5mbar).

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Average wind speed in August
Atlanta, GA

Average wind speed in August - Atlanta, GA
  • Average wind speed in August: 7.3km/h

The windiest month (with the highest average wind speed) is January (12.9km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

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Average humidity in August
Atlanta, GA

Average humidity in August - Atlanta, GA
  • Average humidity in August: 69%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are July and August (69%).

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Average rainfall in August
Atlanta, GA

Average rainfall in August - Atlanta, GA
  • Average rainfall in August: 59mm

The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is September (14mm).

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Average rainfall days in August
Atlanta, GA

Average rainfall days in August - Atlanta, GA
  • Average rainfall days in August: 17.1 days

The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall in August
Atlanta, GA

Average snowfall in August - Atlanta, GA
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (5mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in August
Atlanta, GA

Average snowfall days in August - Atlanta, GA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Atlanta, GA

Average daylight in August / Average sunshine in August - Atlanta, GA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 9.6h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.1h).

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Average sunshine days in August
Atlanta, GA

Average sunshine days in August - Atlanta, GA
  • Average sunshine days in August: 11.2 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in August
Atlanta, GA

Average UV index in August - Atlanta, GA
  • Average UV index in August: 7

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in August
Atlanta, GA

Average cloud cover in August - Atlanta, GA
  • Average cloud cover in August: 32

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in August
Atlanta, GA

Average visibility in August - Atlanta, GA
  • Average visibility in August: 9km

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

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