August weather forecast
Dallas Hills, TN

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Weather in August

August, the last month of the summer in Dallas Hills, is also a hot month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 65.8°F (18.8°C).

Temperature

Transitioning from July to August, Dallas Hills observes an average high-temperature of a still hot 87.4°F (30.8°C), differing subtly from the previous month. Dallas Hills reports a sharp reduction in temperature during August, averaging at a refreshing 65.8°F (18.8°C) at night.

Heat index

During August, the heat index is calculated to be a fiery hot 102.2°F (39°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in August in Dallas Hills is 76%.

Rainfall

In August, the rain falls for 9.9 days. Throughout August, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 104.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In Dallas Hills, the average length of the day in August is 13h and 26min.
On the first day of August, sunrise is at 6:50 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:08 pm EDT.

Sunshine

In Dallas Hills, the average sunshine in August is 9.5h.

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 vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Dallas Hills during August?

During August, Dallas Hills experiences an average high-temperature of 87.4°F (30.8°C) and a low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 102.2°F (39°C).

What is the average humidity in August in Dallas Hills?

In August, the average relative humidity is 76%.

How many days does it rain in August in Dallas Hills?

In Dallas Hills, in August, during 9.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Dallas Hills?

April through November are months without snowfall in Dallas Hills.

What is the average length of the day in August in Dallas Hills?

The average day length in August is 13h and 26min.

What time are sunrise and sunset in August in Dallas Hills?

On the first day of August, sunrise is at 6:50 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:08 pm EDT.

How long on average sun shines in August in Dallas Hills?

In August, the average sunshine duration in Dallas Hills, Tennessee, is 9.5h.

What are the months with the highest UV index in Dallas Hills?

The months with the highest UV index in Dallas Hills, Tennessee, are May through August, with an average maximum UV index of 6.

How high is the UV index in August in Dallas Hills?

In Dallas Hills, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Dallas Hills, TN

Average temperature in August - Dallas Hills, 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 Hills, TN

Average pressure in August - Dallas Hills, 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 Hills, TN

Average wind speed in August - Dallas Hills, 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 Hills, TN

Average humidity in August - Dallas Hills, 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 Hills, TN

Average rainfall in August - Dallas Hills, 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 Hills, TN

Average rainfall days in August - Dallas Hills, 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 Hills, TN

Average snowfall in August - Dallas Hills, 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 Hills, TN

Average snowfall days in August - Dallas Hills, 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 Hills, TN

Average daylight in August / Average sunshine in August - Dallas Hills, TN
  • Average daylight in August: 13h and 2min

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 3min

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 Hills, TN

Average sunshine days in August - Dallas Hills, 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 Hills, TN

Average UV index in August - Dallas Hills, 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 Hills, TN

Average cloud cover in August - Dallas Hills, 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 Hills, TN

Average visibility in August - Dallas Hills, 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).

Dallas Hills, Tennessee, USA

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