August weather forecast
Forest Highlands, TN

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Weather in August

The last month of the summer, August, is another hot month in Forest Highlands, 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

Stepping into August, Forest Highlands records an average high-temperature of a still hot 87.4°F (30.8°C), almost consistent with July. In August, a remarkable difference from daytime highs is noted, as Forest Highlands records an average temperature of 65.8°F (18.8°C) during the night.

Heat index

The heat index for August is evaluated at a torrid 102.2°F (39°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
The metrics for the heat index are tailored for both shady environments and light winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Forest Highlands, in August, during 9.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.

Snowfall

In Forest Highlands, snow does not fall in April through November.

Daylight

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

Sunshine

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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

August temperatures vary between a 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', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 102.2°F (39°C).

What is the average humidity in August?

In Forest Highlands, the average relative humidity in August is 76%.

How much does it rain in August?

In August, the rain falls for 9.9 days. Throughout August, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Forest Highlands?

In Forest Highlands, snow does not fall in April through November.

What is the average length of the day in August?

In Forest Highlands, the average day length in August is 13h and 26min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:50 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.

How long on average sun shines in August?

The average sunshine duration in August is 9.5h.

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 hazard to health 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 Highlands, TN

Average temperature in August - Forest Highlands, 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
Forest Highlands, TN

Average pressure in August - Forest Highlands, 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
Forest Highlands, TN

Average wind speed in August - Forest Highlands, 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
Forest Highlands, TN

Average humidity in August - Forest Highlands, 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
Forest Highlands, TN

Average rainfall in August - Forest Highlands, 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
Forest Highlands, TN

Average rainfall days in August - Forest Highlands, 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
Forest Highlands, TN

Average snowfall in August - Forest Highlands, 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
Forest Highlands, TN

Average snowfall days in August - Forest Highlands, 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
Forest Highlands, TN

Average daylight in August / Average sunshine in August - Forest Highlands, 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
Forest Highlands, TN

Average sunshine days in August - Forest Highlands, 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
Forest Highlands, TN

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

Average cloud cover in August - Forest Highlands, 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
Forest Highlands, TN

Average visibility in August - Forest Highlands, 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).

Forest Highlands, Tennessee, USA

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