August weather forecast
Old Washington, TN

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Weather in August

August, the last month of the summer in Old Washington, is another tropical month, with an average temperature varying between 64.6°F (18.1°C) and 86.5°F (30.3°C).

Temperature

With August's advent, Old Washington sees an average high-temperature of a still tropical 86.5°F (30.3°C), subtly shifted from July's 87.4°F (30.8°C). With a significant daily temperature differential, Old Washington's nighttime temperature in August falls to an average of 64.6°F (18.1°C).

Heat index

Throughout August, the heat index is computed to be a very hot 98.6°F (37°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The months with the lowest humidity are January, June through November, with an average relative humidity of 76%.

Rainfall

In August, in Old Washington, the rain falls for 16.8 days. Throughout August, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 163.6 rainfall days, and 37.44" (951mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Old Washington is 13h and 28min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:43 pm. On the last day of August, in Old Washington, sunrise is at 7:11 am and sunset at 8:07 pm EDT.

Sunshine

The average sunshine in August in Old Washington is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Old Washington. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in August leads to these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

How hot is it in Old Washington in August?

In August, in Old Washington, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 98.6°F (37°C).

What is the least humid month in Old Washington?

January, June through November, with an average relative humidity of 76%, are the least humid months in Old Washington, Tennessee.

What is the average humidity in August in Old Washington?

In Old Washington, Tennessee, the average relative humidity in August is 76%.

How much does it rain in Old Washington in August?

In Old Washington, in August, it is raining for 16.8 days, with typically 3.27" (83mm) of accumulated precipitation.

When it does not snow in Old Washington?

May through October are months without snowfall in Old Washington, Tennessee.

How many hours of daylight does Old Washington have in August?

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

When is the sunrise / sunset in August in Old Washington?

In August, on the first day of the month, sunrise is at 6:48 am and sunset at 8:43 pm. On the last day of the month, in Old Washington, sunrise is at 7:11 am and sunset at 8:07 pm EDT.

How many hours of sunshine does Old Washington have in August?

The average sunshine duration in August in Old Washington, Tennessee, is 9.3h.

What is the month with the highest UV index in Old Washington?

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

How high is the UV index in August in Old Washington?

In August, the average daily maximum UV index in Old Washington, Tennessee, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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
Old Washington, TN

Average temperature in August - Old Washington, 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 (45.1°F).

  • Average low temperature in August: 64.6°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 (30.2°F).

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Average pressure in August
Old Washington, TN

Average pressure in August - Old Washington, TN
  • Average pressure in August: 30"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).

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Average wind speed in August
Old Washington, TN

Average wind speed in August - Old Washington, TN
  • Average wind speed in August: 4mph

The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in August
Old Washington, TN

Average humidity in August - Old Washington, TN
  • Average humidity in August: 76%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).

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Average rainfall in August
Old Washington, TN

Average rainfall in August - Old Washington, TN
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in August
Old Washington, TN

Average rainfall days in August - Old Washington, TN
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in August
Old Washington, TN

Average snowfall in August - Old Washington, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Old Washington, TN

Average snowfall days in August - Old Washington, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Old Washington, TN

Average daylight in August / Average sunshine in August - Old Washington, 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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in August
Old Washington, TN

Average sunshine days in August - Old Washington, TN
  • Average sunshine days in August: 12.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in August
Old Washington, TN

Average UV index in August - Old Washington, 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
Old Washington, TN

Average cloud cover in August - Old Washington, TN
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in August
Old Washington, TN

Average visibility in August - Old Washington, TN
  • Average visibility in August: 5mi

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

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Old Washington, Tennessee, USA

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