August weather forecast
Glencliff, TN

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Weather in August

August, the last month of the summer in Glencliff, is another hot month, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 87.4°F (30.8°C).

Temperature

The beginning of August reveals an average high-temperature of a still hot 87.4°F (30.8°C), showing minimal deviation from the previous month. During the nights in August, the temperature averages to a pleasant 68.5°F (20.3°C).

Heat index

August's average heat index is evaluated at a very hot 100.4°F (38°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In August, the average relative humidity in Glencliff, Tennessee, is 73%.

Rainfall

In August, in Glencliff, the rain falls for 17.8 days. Throughout August, 3.23" (82mm) of precipitation is accumulated. In Glencliff, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

May through October are months without snowfall in Glencliff, Tennessee.

Daylight

In August, the average length of the day is 13h and 29min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:51 pm. On the last day of August, in Glencliff, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

Sunshine

In Glencliff, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot is August in Glencliff?

The high-temperature, in August, in Glencliff, records 87.4°F (30.8°C), while the low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 100.4°F (38°C).

What is the average humidity in August in Glencliff?

The average relative humidity in August is 73%.

How many days does it rain in August in Glencliff?

In Glencliff, in August, during 17.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Glencliff?

May through October are months without snowfall in Glencliff, Tennessee.

What is the average length of the day in August in Glencliff?

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

When are sunrise and sunset in August in Glencliff?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

How long on average sun shines in August in Glencliff?

In August, the average sunshine duration in Glencliff, Tennessee, is 10.4h.

What are the months with the highest UV index in Glencliff?

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

What is the UV index reading in August in Glencliff?

The average daily maximum UV index in August in Glencliff, Tennessee, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average max. wind speed
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
Glencliff, TN

Average temperature in August - Glencliff, 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 (44.1°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in August
Glencliff, TN

Average pressure in August - Glencliff, 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).

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Average wind speed in August
Glencliff, TN

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

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

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Average humidity in August
Glencliff, TN

Average humidity in August - Glencliff, TN
  • Average humidity in August: 73%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Glencliff, TN

Average rainfall in August - Glencliff, TN
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in August
Glencliff, TN

Average rainfall days in August - Glencliff, TN
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in August
Glencliff, TN

Average snowfall in August - Glencliff, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Glencliff, TN

Average snowfall days in August - Glencliff, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Glencliff, TN

Average daylight in August / Average sunshine in August - Glencliff, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Glencliff, TN

Average sunshine days in August - Glencliff, TN
  • Average sunshine days in August: 11.4 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in August
Glencliff, TN

Average UV index in August - Glencliff, 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).

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Average cloud cover in August
Glencliff, TN

Average cloud cover in August - Glencliff, TN
  • Average cloud cover in August: 29

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

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Average visibility in August
Glencliff, TN

Average visibility in August - Glencliff, 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).

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Glencliff, Tennessee, USA

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