August weather forecast
McGhee, TN

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Weather in August

The last month of the summer, August, is also a hot month in McGhee, Tennessee, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 86.5°F (30.3°C).

Temperature

As August takes hold, the average high-temperature is a still hot 86.5°F (30.3°C), nearly mirroring that of the previous month. Despite considerable daily temperature swings, a steady low-temperature average of 64.2°F (17.9°C) is noted throughout August.

Heat index

In August, the heat index is appraised at a torrid 98.6°F (37°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The least humid month is August, with an average relative humidity of 74%.

Rainfall

In McGhee, in August, it is raining for 16.3 days, with typically 2.4" (61mm) of accumulated precipitation. In McGhee, Tennessee, during the entire year, the rain falls for 171.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 28min.
On the first day of August, sunrise is at 6:45 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 8:05 pm EDT.

Sunshine

In McGhee, the average sunshine in August is 10h.

UV index

The months with the highest UV index in McGhee are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during August leads to these advisories:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in McGhee?

The high-temperature, in August, in McGhee, is 86.5°F (30.3°C), while the low-temperature averages to 64.2°F (17.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 98.6°F (37°C).

What is the least humid month in McGhee?

With an average relative humidity of 74%, August is the least humid month in McGhee, Tennessee.

What is the average humidity in August in McGhee?

The average relative humidity in August is 74%.

How many days does it rain in August in McGhee?

In McGhee, in August, it is raining for 16.3 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in McGhee?

In McGhee, Tennessee, snow does not fall in May through October.

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

The average day length in August in McGhee, Tennessee, is 13h and 28min.

When are sunrise and sunset in August in McGhee?

In August, on the first day of the month, sunrise is at 6:45 am and sunset at 8:40 pm. On the last day of the month, in McGhee, Tennessee, sunrise is at 7:08 am and sunset at 8:05 pm EDT.

How many hours of sunshine does McGhee have in August?

The average sunshine duration in August in McGhee, Tennessee, is 10h.

What is the month with the highest UV index in McGhee?

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

What is the UV index reading in August in McGhee?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
McGhee, TN

Average temperature in August - McGhee, TN
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°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
McGhee, TN

Average pressure in August - McGhee, 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
McGhee, TN

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

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in August
McGhee, TN

Average humidity in August - McGhee, TN
  • Average humidity in August: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

Average rainfall in August
McGhee, TN

Average rainfall in August - McGhee, TN
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
McGhee, TN

Average rainfall days in August - McGhee, TN
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in August
McGhee, TN

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
McGhee, TN

Average snowfall days in August - McGhee, 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).

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

Average daylight in August / Average sunshine in August - McGhee, 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
McGhee, TN

Average sunshine days in August - McGhee, TN
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in August
McGhee, TN

Average UV index in August - McGhee, 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
McGhee, TN

Average cloud cover in August - McGhee, 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
McGhee, TN

Average visibility in August - McGhee, TN
  • Average visibility in August: 6mi

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

McGhee, Tennessee, USA

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