August weather forecast
McCains, TN

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Weather in August

The last month of the summer, August, is another hot month in McCains, Tennessee, with an average temperature varying between 67.3°F (19.6°C) and 86.5°F (30.3°C).

Temperature

McCains registers an average high-temperature of a still hot 86.5°F (30.3°C) at the commencement of August, closely related to the preceding month. During August, McCains sees a mean low-temperature of 67.3°F (19.6°C).

Heat index

For most parts of August, the heat index is calculated to be a sweltering 98.6°F (37°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. 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. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In McCains, in August, it is raining for 17.4 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 172.4 rainfall days, and 38.43" (976mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day in McCains is 13h and 28min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:16 pm CDT.

Sunshine

In August, the average sunshine 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot is it in McCains in August?

During August, McCains experiences an average high-temperature of 86.5°F (30.3°C) and a low-temperature of 67.3°F (19.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 98.6°F (37°C).

What is the average humidity in August in McCains?

The average relative humidity in August in McCains is 76%.

How much does it rain in McCains in August?

In McCains, during August, the rain falls for 17.4 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow in McCains?

May through October are months without snowfall in McCains, Tennessee.

How many hours of daylight does McCains have in August?

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

When are sunrise and sunset in August in McCains?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, in McCains, sunrise is at 6:20 am and sunset at 7:16 pm CDT.

How many hours of sunshine does McCains have in August?

The average sunshine duration in August in McCains is 10.2h.

When is the highest UV index in McCains?

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

What is the UV index reading in August in McCains?

In August, the average daily maximum UV index in McCains, Tennessee, is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average max. wind speed
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
McCains, TN

Average temperature in August - McCains, 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 (45.3°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in August
McCains, TN

Average pressure in August - McCains, TN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in August
McCains, TN

Average wind speed in August - McCains, TN
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in August
McCains, TN

Average humidity in August - McCains, TN
  • Average humidity in August: 76%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
McCains, TN

Average rainfall in August - McCains, TN
  • Average rainfall in August: 3.5"

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days in August
McCains, TN

Average rainfall days in August - McCains, TN
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in August
McCains, TN

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

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
McCains, TN

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

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

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

Average daylight in August / Average sunshine in August - McCains, 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 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in August
McCains, TN

Average sunshine days in August - McCains, TN
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in August
McCains, TN

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
McCains, TN

Average cloud cover in August - McCains, TN
  • Average cloud cover in August: 31

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

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Average visibility in August
McCains, TN

Average visibility in August - McCains, TN
  • Average visibility in August: 6mi

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

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McCains, Tennessee, USA

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