August weather forecast
Allisona, TN

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Weather in August

The last month of the summer, August, is also a hot month in Allisona, Tennessee, with an average temperature varying between 86.5°F (30.3°C) and 67.6°F (19.8°C).

Temperature

The advent of August presents an average high-temperature of a still tropical 86.5°F (30.3°C), maintaining a close correlation with the preceding month. During the nights in August, Allisona experiences a consistent average temperature of 67.6°F (19.8°C).

Heat index

The heat index in August is calculated to be a very hot 98.6°F (37°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Allisona, in August, during 14.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Allisona, during the entire year, the rain falls for 141.9 days and collects up to 17.32" (440mm) of precipitation.

Snowfall

In Allisona, Tennessee, snow does not fall in April through October.

Daylight

In Allisona, the average length of the day in August is 13h and 28min.
On the first day of August, sunrise is at 5:55 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

Sunshine

In Allisona, Tennessee, the average sunshine in August is 10.3h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In Allisona, 86.5°F (30.3°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 98.6°F (37°C).

What is the average humidity in August?

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

How much does it rain in August?

In Allisona, in August, it is raining for 14.4 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Allisona have in August?

In August, the average day length in Allisona is 13h and 28min.

When is the sunrise / sunset in August?

On the first day of August in Allisona, sunrise is at 5:55 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:15 pm CDT.

How many hours of sunshine does Allisona have in August?

In Allisona, the average sunshine duration in August is 10.3h.

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 Allisona, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Allisona, TN

Average temperature in August - Allisona, TN
  • Average high temperature in August: 86.5°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 (45.3°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in August
Allisona, TN

Average pressure in August - Allisona, 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).

Average wind speed in August
Allisona, TN

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

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in August
Allisona, TN

Average humidity in August - Allisona, TN
  • Average humidity in August: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Allisona, TN

Average rainfall in August - Allisona, TN
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in August
Allisona, TN

Average rainfall days in August - Allisona, TN
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in August
Allisona, TN

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

The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Allisona, TN

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Allisona, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
Allisona, TN

Average sunshine days in August - Allisona, TN
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in August
Allisona, TN

Average UV index in August - Allisona, TN
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Allisona, TN

Average cloud cover in August - Allisona, TN
  • Average cloud cover in August: 30

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Allisona, TN

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

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

Allisona, Tennessee, USA

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