August weather forecast
Chestnut Hills, TN

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Weather in August

August, the last month of the summer in Chestnut Hills, is also a moderately hot month, with an average temperature fluctuating between 63.9°F (17.7°C) and 85.8°F (29.9°C).

Temperature

August records an average high-temperature of a warm 85.8°F (29.9°C), indicating a minor variation from the preceding month. Chestnut Hills records a significant temperature drop in August nights, lowering to an average of 63.9°F (17.7°C).

Heat index

The heat index for August is evaluated at a fiery hot 96.8°F (36°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

June, August, October and November, with an average relative humidity of 76%, are the least humid months.

Rainfall

In Chestnut Hills, during August, the rain falls for 16.7 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Chestnut Hills, Tennessee, during the entire year, the rain falls for 169.5 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

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

Daylight

In Chestnut Hills, the average length of the day in August is 13h and 29min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:42 pm. On the last day of August, sunrise is at 7:09 am and sunset at 8:06 pm EDT.

Sunshine

In Chestnut 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 value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in August transforms into this advice:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

During August, Chestnut Hills experiences an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 96.8°F (36°C).

What are the least humid months?

The months with the lowest humidity in Chestnut Hills are June, August, October and November, with an average relative humidity of 76%.

What is the average humidity in August?

In Chestnut Hills, the average relative humidity in August is 76%.

How many days does it rain in August?

In August, the rain falls for 16.7 days. Throughout August, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in Chestnut Hills?

May through October are months without snowfall.

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

The average day length in August is 13h and 29min.

When are sunrise and sunset in August in Chestnut Hills?

On the first day of August, sunrise is at 6:45 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:06 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.5h.

What is the month 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 reading in August?

In Chestnut Hills, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Chestnut Hills, TN

Average temperature in August - Chestnut Hills, TN
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in August
Chestnut Hills, TN

Average pressure in August - Chestnut 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
Chestnut Hills, TN

Average wind speed in August - Chestnut Hills, TN
  • Average wind speed in August: 3.7mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in August
Chestnut Hills, TN

Average humidity in August - Chestnut 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, August, October and November (76%).

Average rainfall in August
Chestnut Hills, TN

Average rainfall in August - Chestnut Hills, TN
  • Average rainfall in August: 2.76"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in August
Chestnut Hills, TN

Average rainfall days in August - Chestnut Hills, TN
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in August
Chestnut Hills, TN

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

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Chestnut Hills, TN

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

The month with the highest number of snowfall days is January (4.8 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
Chestnut Hills, TN

Average daylight in August / Average sunshine in August - Chestnut 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: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in August
Chestnut Hills, TN

Average sunshine days in August - Chestnut Hills, TN
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in August
Chestnut Hills, TN

Average UV index in August - Chestnut 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
Chestnut Hills, TN

Average cloud cover in August - Chestnut Hills, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in August
Chestnut Hills, TN

Average visibility in August - Chestnut 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).

Chestnut Hills, Tennessee, USA

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