August weather forecast
Highland Hills, TN

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Weather in August

The last month of the summer, August, is also a hot month in Highland Hills, Tennessee, with an average temperature varying between 64.2°F (17.9°C) and 86.7°F (30.4°C).

Temperature

The arrival of August marks a slight shift to an average high-temperature of a still tropical 86.7°F (30.4°C) from July's 87.4°F (30.8°C). Highland Hills's nighttime average of 64.2°F (17.9°C) during August reflects a substantial decrease from the daytime temperature.

Heat index

The average heat index in August is computed to be a sweltering 98.6°F (37°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
It is crucial to understand that heat index figures are for shade and gentle 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 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 74%.

Rainfall

In Highland Hills, during August, the rain falls for 10.2 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 117.7 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

In Highland Hills, snow does not fall in April through September.

Daylight

The average length of the day in August is 13h and 28min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:41 pm. On the last day of August, sunrise is at 7:08 am and sunset at 8:05 pm EDT.

Sunshine

The average sunshine in August is 10h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

How hot does it get in Highland Hills in August?

The average high-temperature and low-temperature during August are 86.7°F (30.4°C) and 64.2°F (17.9°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 98.6°F (37°C).

What is the least humid month?

July and August, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 74%.

How many days does it rain in August?

In Highland Hills, in August, it is raining for 10.2 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow?

In Highland Hills, snow does not fall in April through September.

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

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 6:45 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 8:05 pm EDT.

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

In August, the average sunshine duration is 10h.

When is the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Highland Hills, TN

Average temperature in August - Highland Hills, TN
  • Average high temperature in August: 86.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in August: 64.2°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 (30°F).

Average pressure in August
Highland Hills, TN

Average pressure in August - Highland Hills, 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
Highland Hills, TN

Average wind speed in August - Highland Hills, TN
  • Average wind speed in August: 3.6mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in August
Highland Hills, TN

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

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in August
Highland Hills, TN

Average rainfall in August - Highland Hills, TN
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in August
Highland Hills, TN

Average rainfall days in August - Highland Hills, TN
  • Average rainfall days in August: 10.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in August
Highland Hills, TN

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

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
Highland Hills, TN

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

The months with the highest number of snowfall days are January and February (3.7 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
Highland Hills, TN

Average daylight in August / Average sunshine in August - Highland Hills, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in August
Highland Hills, TN

Average sunshine days in August - Highland Hills, TN
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are February and July (15.9 days).

Average UV index in August
Highland Hills, TN

Average UV index in August - Highland 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
Highland Hills, TN

Average cloud cover in August - Highland Hills, TN
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in August
Highland Hills, TN

Average visibility in August - Highland Hills, TN
  • Average visibility in August: 6mi

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

Highland Hills, Tennessee, USA

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