August weather forecastAtlanta, GA
August
Weather in August
August characterizes the latter phases of summer in Atlanta, experiencing a minor dip in temperature compared to July. Although the extreme temperature in August lowers slightly to 89.2°F (31.8°C), heat prevails, offering excellent swimming weather. Scattered showers are frequent in the afternoons, occasionally providing a brief respite from heat. The presence of these showers only amplifies the city's green landscapes. With the promise of lengthy sunshine hours, outdoor activities can be planned with flexibility.Temperature
With the onset of August in Atlanta, a modest change to a still hot 89.2°F (31.8°C) from July's 90.7°F (32.6°C) is noted in high-temperature. Throughout August, Atlanta registers a consistent average low-temperature of 70.7°F (21.5°C).Heat index
For most parts of August, the heat index is estimated at a sweltering 102.2°F (39°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.One should consider that heat index numbers are for shaded settings and light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
July and August, with an average relative humidity of 69%, are the least humid months in Atlanta.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 in Atlanta.Daylight
In Atlanta, the average length of the day in August is 13h and 22min.On the first day of August in Atlanta, sunrise is at 6:50 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:04 pm EDT.
Sunshine
In Atlanta, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 7 transforms into these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in August /
Average sunshine in August
Atlanta, GA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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).
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).
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).
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).
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).
