August weather forecast
Apalachia, TN

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Weather in August

The last month of the summer, August, is also a hot month in Apalachia, Tennessee, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 86.5°F (30.3°C).

Temperature

The high-temperature average in August for Apalachia is a still hot 86.5°F (30.3°C), staying closely aligned with July's conditions. Apalachia experiences a significant downturn from peak daytime temperatures throughout August, with the average low-temperature dipping to a comfortable 64.8°F (18.2°C).

Heat index

Throughout August, the heat index is evaluated at a fiery hot 98.6°F (37°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The months with the lowest humidity in Apalachia are August, October and November, with an average relative humidity of 75%.

Rainfall

In Apalachia, in August, it is raining for 16.5 days, with typically 3.07" (78mm) of accumulated precipitation. In Apalachia, Tennessee, during the entire year, the rain falls for 170.1 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

In Apalachia, snow does not fall in May through October.

Daylight

In Apalachia, Tennessee, the average length of the day in August is 13h and 26min.
On the first day of the month, sunrise is at 6:46 am and sunset at 8:40 pm. On the last day of August, in Apalachia, sunrise is at 7:09 am and sunset at 8:05 pm EDT.

Sunshine

In August, the average sunshine in Apalachia is 9.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Apalachia. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Apalachia?

The high-temperature, in August, in Apalachia, is 86.5°F (30.3°C), while the low-temperature averages to 64.8°F (18.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 98.6°F (37°C).

What are the least humid months in Apalachia?

August, October and November, with an average relative humidity of 75%, are the least humid months in Apalachia, Tennessee.

What is the average humidity in August in Apalachia?

The average relative humidity in August in Apalachia is 75%.

How much does it rain in Apalachia in August?

In Apalachia, Tennessee, during August, the rain falls for 16.5 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Apalachia?

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

How many hours of daylight does Apalachia have in August?

In Apalachia, the average day length in August is 13h and 26min.

When is the sunrise / sunset in August in Apalachia?

On the first day of August in Apalachia, sunrise is at 6:46 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:05 pm EDT.

How long on average sun shines in August in Apalachia?

In August, the average sunshine duration in Apalachia is 9.7h.

When is the highest UV index in Apalachia?

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

What is the UV index intensity in August in Apalachia?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Apalachia, TN

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

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Apalachia, TN

Average pressure in August - Apalachia, 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
Apalachia, TN

Average wind speed in August - Apalachia, TN
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in August
Apalachia, TN

Average humidity in August - Apalachia, TN
  • Average humidity in August: 75%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August, October and November (75%).

Average rainfall in August
Apalachia, TN

Average rainfall in August - Apalachia, TN
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in August
Apalachia, TN

Average rainfall days in August - Apalachia, TN
  • Average rainfall days in August: 16.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in August
Apalachia, TN

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Apalachia, TN

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

The month with the highest number of snowfall days is January (4.6 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
Apalachia, TN

Average daylight in August / Average sunshine in August - Apalachia, TN
  • Average daylight in August: 13h and 2min

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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in August
Apalachia, TN

Average sunshine days in August - Apalachia, TN
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in August
Apalachia, TN

Average UV index in August - Apalachia, 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
Apalachia, TN

Average cloud cover in August - Apalachia, 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 28).

Average visibility in August
Apalachia, TN

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

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

Apalachia, Tennessee, USA

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