August weather forecast
Green Hills, TN

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Weather in August

The last month of the summer, August, is also a hot month in Green Hills, Tennessee, with an average temperature fluctuating between 87.4°F (30.8°C) and 68.4°F (20.2°C).

Temperature

Green Hills observes an average high-temperature of a still hot 87.4°F (30.8°C) in August, barely different from 88.3°F (31.3°C) in July. The temperature dips to an average of 68.4°F (20.2°C) during August nights.

Heat index

The heat index in August is evaluated at a torrid 100.4°F (38°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In August, the average relative humidity is 74%.

Rainfall

In Green Hills, in August, it is raining for 18.7 days, with typically 3.39" (86mm) of accumulated precipitation. In Green Hills, during the entire year, the rain falls for 166.2 days and collects up to 33.86" (860mm) of precipitation.

Snowfall

In Green Hills, snow does not fall in May through October.

Daylight

In Green Hills, the average length of the day in August is 13h and 29min.
On the first day of August in Green Hills, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

Sunshine

In Green Hills, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In Green Hills, in August, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 100.4°F (38°C).

What is the average humidity in August?

In Green Hills, the average relative humidity in August is 74%.

How much does it rain in August?

In Green Hills, in August, it is raining for 18.7 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Green Hills have in August?

In Green Hills, Tennessee, the average day length in August is 13h and 29min.

When are sunrise and sunset in August in Green Hills?

On the first day of August, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

How many hours of sunshine does Green Hills have in August?

In August, the average sunshine duration is 10.3h.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Green Hills, TN

Average temperature in August - Green Hills, TN
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in August: 68.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Green Hills, TN

Average pressure in August - Green Hills, TN
  • 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 (29.97"Hg).

Average wind speed in August
Green Hills, TN

Average wind speed in August - Green Hills, TN
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in August
Green Hills, TN

Average humidity in August - Green Hills, TN
  • Average humidity in August: 74%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June and October (73%).

Average rainfall in August
Green Hills, TN

Average rainfall in August - Green Hills, TN
  • Average rainfall in August: 3.39"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (1.81").

Average rainfall days in August
Green Hills, TN

Average rainfall days in August - Green Hills, TN
  • Average rainfall days in August: 18.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in August
Green Hills, TN

Average snowfall in August - Green Hills, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is March (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Green Hills, TN

Average snowfall days in August - Green Hills, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Green Hills, TN

Average daylight in August / Average sunshine in August - Green Hills, TN
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in August
Green Hills, TN

Average sunshine days in August - Green Hills, TN
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in August
Green Hills, TN

Average UV index in August - Green 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
Green Hills, TN

Average cloud cover in August - Green Hills, TN
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Green Hills, TN

Average visibility in August - Green Hills, TN
  • 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).

Green Hills, Tennessee, USA

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