August weather forecast
Cortner, TN

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Weather in August

August, the last month of the summer in Cortner, is also a moderately hot month, with an average temperature fluctuating between 85.6°F (29.8°C) and 66.7°F (19.3°C).

Temperature

The arrival of August is marked by an average high-temperature of a moderately hot 85.6°F (29.8°C), bearing a close resemblance to July. During August, Cortner witnesses a consistent average low-temperature of 66.7°F (19.3°C).

Heat index

August's mean heat index is evaluated at a fiery hot 96.8°F (36°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Cortner, during August, the rain falls for 18.3 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 171.3 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Cortner, the average length of the day in August is 13h and 28min.
On the first day of August, sunrise is at 5:54 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:13 pm CDT.

Sunshine

The average sunshine in August is 10.2h.

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 unsafe exposure to UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

Cortner in August has an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 96.8°F (36°C).

What is the average humidity in August?

In Cortner, the average relative humidity in August is 77%.

How many days does it rain in August?

In Cortner, during August, the rain falls for 18.3 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When it does not snow?

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

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

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

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:54 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:13 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.2h.

When is the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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
Cortner, TN

Average temperature in August - Cortner, TN
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in August
Cortner, TN

Average pressure in August - Cortner, TN
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Cortner, TN

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

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in August
Cortner, TN

Average humidity in August - Cortner, TN
  • Average humidity in August: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in August
Cortner, TN

Average rainfall in August - Cortner, TN
  • Average rainfall in August: 3.58"

The wettest month (with the highest rainfall) is February (4.02").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Cortner, TN

Average rainfall days in August - Cortner, TN
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in August
Cortner, TN

Average snowfall in August - Cortner, 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
Cortner, TN

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

The months with the highest number of snowfall days are January and February (3.3 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
Cortner, TN

Average daylight in August / Average sunshine in August - Cortner, 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 1min

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 30min).

Average sunshine days in August
Cortner, TN

Average sunshine days in August - Cortner, TN
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in August
Cortner, TN

Average UV index in August - Cortner, 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 and December (UV index 2).

Average cloud cover in August
Cortner, TN

Average cloud cover in August - Cortner, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in August
Cortner, TN

Average visibility in August - Cortner, TN
  • Average visibility in August: 5mi

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

Cortner, Tennessee, USA

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