August weather forecastFoust, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Foust, Tennessee, with an average temperature varying between 66°F (18.9°C) and 87.3°F (30.7°C).Temperature
Foust's weather in August, with an average high-temperature of a still hot 87.3°F (30.7°C), subtly shifts from July's 88°F (31.1°C). Foust's average low-temperature in August is measured at a refreshing 66°F (18.9°C).Heat index
During August, the heat index is estimated at a torrid 100.4°F (38°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
June through August, October and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In Foust, in August, during 17.6 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Foust, during the entire year, the rain falls for 174.4 days and collects up to 41.14" (1045mm) of precipitation.Snowfall
In Foust, snow does not fall in May through October.Daylight
In Foust, the average length of the day in August is 13h and 26min.On the first day of August, sunrise is at 6:51 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:08 pm EDT.
Sunshine
In August, the average sunshine is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Foust, TN
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in August
Foust, TN
- Average pressure in August: 30"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
Foust, TN
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Foust, TN
- Average humidity in August: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).
Average rainfall in August
Foust, TN
- Average rainfall in August: 3.31"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in August
Foust, TN
- Average rainfall days in August: 17.6 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in August
Foust, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Foust, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.1 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
Foust, TN
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in August
Foust, TN
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in August
Foust, TN
- 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 and December (UV index 2).
Average cloud cover in August
Foust, TN
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in August
Foust, TN
- Average visibility in August: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





