August weather forecast
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 another hot month in Atlanta, Georgia, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 70.7°F (21.5°C).

Temperature

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

Heat index

The average heat index in August is computed to be a sweltering 102.2°F (39°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. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, differences in body mass, height, and shape), 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. 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

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

Rainfall

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

Snowfall

April through November are months without snowfall in Atlanta.

Daylight

In Atlanta, the average length of the day in August is 13h and 22min.
On the first day of the month, sunrise is at 6:49 am and sunset at 8:38 pm. On the last day of August, sunrise is at 7:10 am and sunset at 8:05 pm EDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

The month with the highest UV index is August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against 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 August, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 70.7°F (21.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 102.2°F (39°C).

What are the least humid months in Atlanta?

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

What is the average humidity in August in Atlanta?

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

What is the wettest month in Atlanta?

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

How much does it rain in Atlanta in August?

In Atlanta, in August, it is raining for 17.1 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Atlanta?

In Atlanta, snow does not fall in April through November.

How many hours of daylight does Atlanta have in August?

In August, the average day length in Atlanta is 13h and 22min.

When are sunrise and sunset in August in Atlanta?

On the first day of August in Atlanta, Georgia, sunrise is at 6:49 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 8:05 pm EDT.

How long on average sun shines in August in Atlanta?

The average sunshine duration in August in Atlanta is 9.6h.

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

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

How high is the UV index in August in Atlanta?

In August, the average daily maximum UV index in Atlanta is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Atlanta, GA

Average temperature in August - Atlanta, GA
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in August: 70.7°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in August
Atlanta, GA

Average pressure in August - Atlanta, GA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in August
Atlanta, GA

Average wind speed in August - Atlanta, GA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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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%).
The 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: 2.32"

The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").

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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: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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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).
The 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: 13h and 22min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in August: 9h and 36min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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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).
The 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: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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