August weather forecast and climate
Nashville, TN

Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore
Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore

Weather in August

The last month of the summer, August, is also a hot month in Nashville, Tennessee, with average temperature ranging between max 87.4°F (30.8°C) and min 68.5°F (20.3°C).

Temperature

In Nashville, the average high-temperature is relatively the same as in July - a still tropical 87.4°F (30.8°C). The average low-temperature, in August, is 68.5°F (20.3°C).

Heat index

The average heat index in August is estimated at a sweltering 100.4°F (38°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, wind), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. 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 Nashville, the average relative humidity in August is 73%.

Rainfall

In Nashville, Tennessee, during August, the rain falls for 17.8 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Nashville, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

In Nashville snow does not fall in May through October.

Daylight

In August, the average length of the day in Nashville is 13.5h.

Sunshine

The average sunshine in Nashville is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in August in Nashville?

In Nashville, in August, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in August is evaluated at 100.4°F (38°C).

What is the average humidity in August in Nashville?

In Nashville, the average relative humidity in August is 73%.

How many days does it rain in August in Nashville?

In August, in Nashville, the rain falls for 17.8 days. Throughout August, 3.23" (82mm) of precipitation is accumulated.

When it does not snow in Nashville?

In Nashville, Tennessee, snow does not fall in May through October.

How many hours of daylight does Nashville have in August?

The average length of the day in August in Nashville, Tennessee, is 13.5h.

How long on average sun shines in August in Nashville?

In August, the average sunshine is 10.4h.

When is the highest UV index in Nashville?

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

How high is the UV index in August in Nashville?

In August, the average daily maximum UV index in Nashville is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.

Average temperature in August
Nashville, TN

Average temperature in August - Nashville, TN
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in August: 68.5°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 (30.6°F).

[Resources]

Average pressure in August
Nashville, TN

Average pressure in August - Nashville, TN
  • Average pressure in August: 29.99"

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

[Resources]

Average wind speed in August
Nashville, TN

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

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

[Resources]

Average humidity in August
Nashville, TN

Average humidity in August - Nashville, TN
  • Average humidity in August: 73%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in August
Nashville, TN

Average rainfall in August - Nashville, TN
  • Average rainfall in August: 3.23"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

[Resources]

Average rainfall days in August
Nashville, TN

Average rainfall days in August - Nashville, TN
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

[Resources]

Average snowfall in August
Nashville, TN

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

The month with the highest snowfall is January (0.94").
Months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Nashville, TN

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

The month with the highest number of snowfall days is January (4.7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in August / Average sunshine in August - Nashville, TN
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in August: 10.4h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are January and February (Average sunshine: 4.6).

[Resources]

Average sunshine days in August
Nashville, TN

Average sunshine days in August - Nashville, TN
  • Average sunshine days in August: 11.4 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

[Resources]

Average UV index in August
Nashville, TN

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average cloud cover in August
Nashville, TN

Average cloud cover in August - Nashville, TN
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 53).
Months with the least cloud cover are June and August (Cloud cover 29).

[Resources]

Average visibility in August
Nashville, TN

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

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

[Resources]