August weather forecast
Granville, TN

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Weather in August

August, the last month of the summer in Granville, is also a hot month, with an average temperature fluctuating between 86°F (30°C) and 65.8°F (18.8°C).

Temperature

As Granville welcomes August, the average high-temperature stabilizes at a still hot 86°F (30°C), showing little deviation from July's 86.9°F (30.5°C). An average temperature of 65.8°F (18.8°C) is recorded in Granville, Tennessee, during the nights in August.

Heat index

The heat index value during August is appraised at a sweltering 98.6°F (37°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

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

Rainfall

In Granville, in August, during 17.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Granville, during the entire year, the rain falls for 177.2 days and collects up to 40.94" (1040mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 30min.
On the first day of August, sunrise is at 5:50 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index in Granville are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 28, 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 Granville, is 86°F (30°C), while the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 98.6°F (37°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How much does it rain in August?

In Granville, in August, it is raining for 17.5 days, with typically 3.9" (99mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Granville have in August?

The average day length in August in Granville is 13h and 30min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:50 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:12 pm CDT.

How long on average sun shines in August?

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

When is the highest UV index?

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

How high is the UV index in August in Granville?

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

Average temperature in August - Granville, TN
  • Average high temperature in August: 86°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in August
Granville, TN

Average pressure in August - Granville, 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 (29.97"Hg).

Average wind speed in August
Granville, TN

Average wind speed in August - Granville, TN
  • Average wind speed in August: 4.2mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Granville, TN

Average humidity in August - Granville, 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 (76%).

Average rainfall in August
Granville, TN

Average rainfall in August - Granville, TN
  • Average rainfall in August: 3.9"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in August
Granville, TN

Average rainfall days in August - Granville, TN
  • Average rainfall days in August: 17.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in August
Granville, TN

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Granville, TN

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

The month with the highest number of snowfall days is January (4.5 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
Granville, TN

Average daylight in August / Average sunshine in August - Granville, 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 42min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in August
Granville, TN

Average sunshine days in August - Granville, TN
  • Average sunshine days in August: 11.6 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

Average UV index in August
Granville, TN

Average UV index in August - Granville, 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).

Average cloud cover in August
Granville, TN

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

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in August
Granville, TN

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

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

Granville, Tennessee, USA

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