August weather forecastFayetteville, AL
August
Weather in August
August, the last month of the summer in Fayetteville, is another tropical month, with temperature in the range of an average high of 89.4°F (31.9°C) and an average low of 69.6°F (20.9°C).Temperature
The arrival of August marks a slight shift to an average high-temperature of a still hot 89.4°F (31.9°C) from July's 90.1°F (32.3°C). In Fayetteville, in August, the average low-temperature is an agreeable 69.6°F (20.9°C).Heat index
August's mean heat index is computed to be a blistering 107.6°F (42°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in August is 75%.Rainfall
August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 1.57" (40mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
In Fayetteville, the average length of the day in August is 13h and 20min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:44 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:11 pm CDT.
Sunshine
The average sunshine in August is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fayetteville, AL
- Average high temperature in August: 89.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in August: 69.6°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).
Average pressure in August
Fayetteville, AL
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Fayetteville, AL
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in August
Fayetteville, AL
- Average humidity in August: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Fayetteville, AL
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in August
Fayetteville, AL
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in August
Fayetteville, AL
- Average snowfall in August: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in August
Fayetteville, AL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Fayetteville, AL
- Average daylight in August: 13h and 18min
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: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in August
Fayetteville, AL
- Average sunshine days in August: 11 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in August
Fayetteville, AL
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Fayetteville, AL
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in August
Fayetteville, AL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
