August weather forecast
Union Central, TN

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Weather in August

The last month of the summer, August, is another tropical month in Union Central, Tennessee, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 68.5°F (20.3°C).

Temperature

Entering August, the average high-temperature is recorded at a still hot 87.3°F (30.7°C), exhibiting a minimal shift from July's 87.6°F (30.9°C). During August nights, Union Central records an average temperature of 68.5°F (20.3°C).

Heat index

The average heat index in August is appraised at a torrid 102.2°F (39°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

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

Rainfall

In August, in Union Central, the rain falls for 14.2 days. Throughout August, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 162.4 rainfall days, and 38.35" (974mm) of precipitation is accumulated.

Snowfall

In Union Central, snow does not fall in April through October.

Daylight

In Union Central, the average length of the day in August is 13h and 29min.
On the first day of August, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:23 pm CDT.

Sunshine

In Union Central, the average sunshine in August is 10.3h.

UV index

In Union Central, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Shun overexposure. Protection from sun ravages is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The average high-temperature, in August, in Union Central, is 87.3°F (30.7°C), while the average low-temperature is 68.5°F (20.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 102.2°F (39°C).

What is the average humidity in August?

The average relative humidity in August is 76%.

How much does it rain in August?

In August, the rain falls for 14.2 days. Throughout August, 3.07" (78mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 29min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:23 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August in Union Central is 10.3h.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Union Central, TN

Average temperature in August - Union Central, TN
  • Average high temperature in August: 87.3°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in August
Union Central, TN

Average pressure in August - Union Central, TN
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Union Central, TN

Average wind speed in August - Union Central, TN
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).

Average humidity in August
Union Central, TN

Average humidity in August - Union Central, TN
  • Average humidity in August: 76%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Union Central, TN

Average rainfall in August - Union Central, TN
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
Union Central, TN

Average rainfall days in August - Union Central, TN
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (10 days).

Average snowfall in August
Union Central, TN

Average snowfall in August - Union Central, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Union Central, TN

Average snowfall days in August - Union Central, 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 April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Union Central, TN

Average daylight in August / Average sunshine in August - Union Central, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Union Central, TN

Average sunshine days in August - Union Central, TN
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).

Average UV index in August
Union Central, TN

Average UV index in August - Union Central, TN
  • Average UV index in August: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in August
Union Central, TN

Average cloud cover in August - Union Central, TN
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in August
Union Central, TN

Average visibility in August - Union Central, 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).

Union Central, Tennessee, USA

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