August weather forecastNewnan, GA
August
Weather in August
In August, Newnan experiences decreasing temperatures, signaling the close of summer. However, the rainfall increases significantly, from 1.02" (26mm) to 1.1" (28mm), making this month the rainiest period. Despite the high amount of rainfall, the number of sunshine days remains consistent. The city enjoys a generous 13.4 hours of daylight during this period. However, the cloud cover sees a minimal increment, suggesting the approach of autumn.Temperature
Newnan observes an average high-temperature of a still hot 88.3°F (31.3°C) in August, barely different from 89.4°F (31.9°C) in July. Newnan records an average nighttime low-temperature of 69.6°F (20.9°C) throughout August.Heat index
The average heat index in August is computed to be a blisteringly hot 104°F (40°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In August, the average relative humidity is 75%.Rainfall
August is the month with the most rainfall in Newnan. Rain falls for 13.4 days and accumulates 1.1" (28mm) of precipitation.Snowfall
In Newnan, Georgia, snow does not fall in February, April through December.Daylight
The average length of the day in August is 13h and 21min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:38 pm. On the last day of August, sunrise is at 7:13 am and sunset at 8:05 pm EDT.
Sunshine
In August, the average sunshine is 9.2h.UV index
The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 6 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Newnan, GA
- Average high temperature in August: 88.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in August: 69.6°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in August
Newnan, 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 (29.98"Hg).
Average wind speed in August
Newnan, GA
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in August
Newnan, GA
- Average humidity in August: 75%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in August
Newnan, GA
- Average rainfall in August: 1.1"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in August
Newnan, GA
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in August
Newnan, GA
- Average snowfall in August: 0"
The months with the highest snowfall are January and March (0.04").
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Newnan, GA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Newnan, GA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in August
Newnan, GA
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in August
Newnan, GA
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Newnan, GA
- Average cloud cover in August: 33
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in August
Newnan, GA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





