August weather forecast
Forest Glen, TN

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Weather in August

The last month of the summer, August, is also a hot month in Forest Glen, Tennessee, with an average temperature fluctuating between 64.4°F (18°C) and 86.7°F (30.4°C).

Temperature

August's average high-temperature stands at a still tropical 86.7°F (30.4°C), showing little deviation from July's 87.6°F (30.9°C). Throughout August, Forest Glen notes a dramatic plunge from the daily high to an average low-temperature of 64.4°F (18°C).

Heat index

During August, the heat index is computed to be a sweltering 98.6°F (37°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The least humid month is August, with an average relative humidity of 72%.

Rainfall

In Forest Glen, Tennessee, in August, during 14.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

April through September are months without snowfall.

Daylight

In Forest Glen, the average length of the day in August is 13h and 28min.
On the first day of August, sunrise is at 6:44 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:04 pm EDT.

Sunshine

The average sunshine in August in Forest Glen is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

August temperatures vary between a high-temperature of 86.7°F (30.4°C) and a low-temperature of 64.4°F (18°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 98.6°F (37°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 72%.

What is the average humidity in August?

The average relative humidity in August is 72%.

How much does it rain in August?

In Forest Glen, in August, during 14.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow?

In Forest Glen, snow does not fall in April through September.

What is the average length of the day in August?

In Forest Glen, the average day length in August is 13h and 28min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 8:39 pm. On the last day of the month, in Forest Glen, sunrise is at 7:07 am and sunset at 8:04 pm EDT.

How many hours of sunshine does Forest Glen have in August?

In August, the average sunshine duration is 10.1h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Forest Glen, TN

Average temperature in August - Forest Glen, TN
  • Average high temperature in August: 86.7°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 (44.8°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in August
Forest Glen, TN

Average pressure in August - Forest Glen, TN
  • Average pressure in August: 30.01"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Forest Glen, TN

Average wind speed in August - Forest Glen, TN
  • Average wind speed in August: 3.6mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in August
Forest Glen, TN

Average humidity in August - Forest Glen, TN
  • Average humidity in August: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in August
Forest Glen, TN

Average rainfall in August - Forest Glen, TN
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in August
Forest Glen, TN

Average rainfall days in August - Forest Glen, TN
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in August
Forest Glen, TN

Average snowfall in August - Forest Glen, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
Forest Glen, TN

Average snowfall days in August - Forest Glen, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.4 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
Forest Glen, TN

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

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: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in August
Forest Glen, TN

Average sunshine days in August - Forest Glen, TN
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in August
Forest Glen, TN

Average UV index in August - Forest Glen, 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
Forest Glen, TN

Average cloud cover in August - Forest Glen, TN
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in August
Forest Glen, TN

Average visibility in August - Forest Glen, TN
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

Forest Glen, Tennessee, USA

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