August weather forecast
Atlanta, GA

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.