August weather forecastDallas Crest, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Dallas Crest, Tennessee, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 87.4°F (30.8°C).Temperature
With the advent of August, Dallas Crest experiences an average high-temperature of a still hot 87.4°F (30.8°C), mirroring a close resemblance to the previous month. Dallas Crest registers a pronounced decline from daytime peak temperatures, averaging a comfortable 65.8°F (18.8°C) lows in August.Heat index
During August, the heat index is estimated at a sweltering 102.2°F (39°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down 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. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in August is 76%.Rainfall
In August, the rain falls for 9.9 days. Throughout August, 1.06" (27mm) of precipitation is accumulated. In Dallas Crest, during the entire year, the rain falls for 104.5 days and collects up to 10.98" (279mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
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 Dallas Crest, the average sunshine in August is 9.5h.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 hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 in August translates into these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dallas Crest, TN
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in August
Dallas Crest, 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
Dallas Crest, TN
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Dallas Crest, TN
- Average humidity in August: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).
Average rainfall in August
Dallas Crest, TN
- Average rainfall in August: 1.06"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in August
Dallas Crest, TN
- Average rainfall days in August: 9.9 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in August
Dallas Crest, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Dallas Crest, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 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
Dallas Crest, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Dallas Crest, TN
- Average sunshine days in August: 19.2 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in August
Dallas Crest, 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, February and December (UV index 2).
Average cloud cover in August
Dallas Crest, TN
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in August
Dallas Crest, 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).





