August weather forecast
Signal Hills, TN

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Weather in August

August, the last month of the summer in Signal Hills, is another tropical month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 65.8°F (18.8°C).

Temperature

Signal Hills's transition from July to August introduces an average high-temperature of a still hot 87.4°F (30.8°C), marking an insignificant variation from the 87.6°F (30.9°C). In Signal Hills, August nights witness a remarkable decline from the day's zenith to a refreshing 65.8°F (18.8°C).

Heat index

During August, the heat index is estimated at a torrid 102.2°F (39°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Signal Hills, in August, it is raining for 9.9 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Signal Hills, Tennessee, there are 104.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In Signal Hills, Tennessee, the average length of the day in August is 13h and 26min.
On the first day of August, sunrise is at 6:51 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:09 pm EDT.

Sunshine

In August, the average sunshine is 9.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Signal Hills. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

Is it hot in Signal Hills during August?

In August, in Signal Hills, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 102.2°F (39°C).

What is the average humidity in August in Signal Hills?

In Signal Hills, Tennessee, the average relative humidity in August is 76%.

How many days does it rain in August in Signal Hills?

In Signal Hills, during August, the rain falls for 9.9 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Signal Hills?

In Signal Hills, snow does not fall in April through November.

What is the average length of the day in August in Signal Hills?

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

When is the sunrise / sunset in August in Signal Hills?

In August, on the first day of the month, sunrise is at 6:51 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:09 pm EDT.

How long on average sun shines in August in Signal Hills?

In Signal Hills, Tennessee, the average sunshine duration in August is 9.5h.

What are the months with the highest UV index in Signal Hills?

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

What is the UV index intensity in August in Signal Hills?

In August, the average daily maximum UV index is 6. A UV Index 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
Signal Hills, TN

Average temperature in August - Signal Hills, TN
  • Average high temperature in August: 87.4°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 (46°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in August
Signal Hills, TN

Average pressure in August - Signal Hills, 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).

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Average wind speed in August
Signal Hills, TN

Average wind speed in August - Signal Hills, TN
  • Average wind speed in August: 3.8mph

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in August
Signal Hills, TN

Average humidity in August - Signal Hills, TN
  • Average humidity in August: 76%

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

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Average rainfall in August
Signal Hills, TN

Average rainfall in August - Signal Hills, TN
  • Average rainfall in August: 1.06"

The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in August
Signal Hills, TN

Average rainfall days in August - Signal Hills, TN
  • Average rainfall days in August: 9.9 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).

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Average snowfall in August
Signal Hills, TN

Average snowfall in August - Signal Hills, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Signal Hills, TN

Average snowfall days in August - Signal Hills, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Signal Hills, TN

Average daylight in August / Average sunshine in August - Signal Hills, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in August
Signal Hills, TN

Average sunshine days in August - Signal Hills, TN
  • Average sunshine days in August: 19.2 days

The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in August
Signal Hills, TN

Average UV index in August - Signal Hills, 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
Signal Hills, TN

Average cloud cover in August - Signal Hills, TN
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in August
Signal Hills, TN

Average visibility in August - Signal Hills, TN
  • Average visibility in August: 5mi

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

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Signal Hills, Tennessee, USA

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