August weather forecast
Selmer, TN

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Weather in August

August, the last month of the summer in Selmer, is another tropical month, with an average temperature fluctuating between 88.5°F (31.4°C) and 69.1°F (20.6°C).

Temperature

Selmer transitions into August recording an average high-temperature of a still tropical 88.5°F (31.4°C), closely aligning with the preceding month's temperature. Selmer's nights in August experience an average temperature drop to a pleasant 69.1°F (20.6°C).

Heat index

For most parts of August, the heat index is estimated at a scorching 104°F (40°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. 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 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Selmer, during August, the rain falls for 16.8 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 168.2 rainfall days, and 38.94" (989mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Selmer.

Daylight

In August, the average length of the day in Selmer is 13h and 26min.
On the first day of the month, sunrise is at 6:04 am and sunset at 7:57 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:22 pm CDT.

Sunshine

In Selmer, the average sunshine in August is 10.4h.

UV index

The average daily maximum UV index in August in Selmer is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is it in Selmer in August?

August temperatures in Selmer vary between a high-temperature of 88.5°F (31.4°C) and a low-temperature of 69.1°F (20.6°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 104°F (40°C).

What is the average humidity in August in Selmer?

In Selmer, the average relative humidity in August is 75%.

How much does it rain in Selmer in August?

In Selmer, in August, during 16.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When it does not snow in Selmer?

April through October are months without snowfall in Selmer.

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

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

When are sunrise and sunset in August in Selmer?

On the first day of August in Selmer, sunrise is at 6:04 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:22 pm CDT.

How long on average sun shines in August in Selmer?

In Selmer, the average sunshine duration in August is 10.4h.

What is the UV index reading in August in Selmer?

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

Average temperature in August - Selmer, TN
  • Average high temperature in August: 88.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in August
Selmer, TN

Average pressure in August - Selmer, 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 (29.96"Hg).

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Average wind speed in August
Selmer, TN

Average wind speed in August - Selmer, TN
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in August
Selmer, TN

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

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Selmer, TN

Average rainfall in August - Selmer, TN
  • Average rainfall in August: 3.43"

The wettest month (with the highest rainfall) is February (4.72").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in August
Selmer, TN

Average rainfall days in August - Selmer, 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 (10.6 days).

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Average snowfall in August
Selmer, TN

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

The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Selmer, TN

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

The months with the highest number of snowfall days are January and February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Selmer, TN

Average daylight in August / Average sunshine in August - Selmer, 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: 10h and 2min

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 36min).

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Average sunshine days in August
Selmer, TN

Average sunshine days in August - Selmer, TN
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in August
Selmer, TN

Average UV index in August - Selmer, TN
  • Average UV index in August: 6

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

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Average cloud cover in August
Selmer, TN

Average cloud cover in August - Selmer, 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 28).

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Average visibility in August
Selmer, TN

Average visibility in August - Selmer, 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).

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Selmer, Tennessee, USA

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