August weather forecastNorth Decatur, GA
August
Weather in August
August, the last month of the summer in North Decatur, is another hot month, 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
North Decatur's average high-temperature in August is a still hot 89.2°F (31.8°C), indicating a subtle variation from July. North Decatur, during the month of August, experiences an average low-temperature of 70.7°F (21.5°C).Heat index
The heat index in August is evaluated at a fiery hot 102.2°F (39°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.The metrics for the heat index are tailored for both shady environments and light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
July and August, with an average relative humidity of 69%, are the least humid months.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 North Decatur.Daylight
In North Decatur, Georgia, 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 8:37 pm. On the last day of August, sunrise is at 7:10 am and sunset at 8:03 pm EDT.
Sunshine
In August, the average sunshine in North Decatur 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in August leads to these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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
North Decatur, 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).





