August weather forecast and climate
Crossville, TN

The last month of the summer, August, is another warm month in Crossville, Tennessee, with average temperature ranging between max 83.5°F (28.6°C) and min 63.3°F (17.4°C).

Temperature

In Crossville, the average high-temperature in August is almost the same as in July - a still warm 83.5°F (28.6°C). In August, the average low-temperature is 63.3°F (17.4°C).

Heat index

The average heat index in August is estimated at a tropical 92.3°F (33.5°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', 'felt air temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, clothing, and wind affect individual temperature impact. 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 especially crucial for babies and toddlers. 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.

Humidity

In August, the average relative humidity in Crossville is 79%.

Rainfall

In Crossville, during August, the rain falls for 19.9 days and regularly aggregates up to 4.65" (118mm) of precipitation. In Crossville, during the entire year, the rain falls for 198.6 days and collects up to 51.73" (1314mm) of precipitation.

Snowfall

In Crossville snow does not fall in May through October.

Daylight

In Crossville, the average length of the day is 13.5h.

Sunshine

In August, the average sunshine is 9.6h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Crossville?

The average high-temperature, in August, in Crossville, is 83.5°F (28.6°C), while the average low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, is appraised at 92.3°F (33.5°C).

What is the average humidity in August in Crossville?

The average relative humidity in August in Crossville is 79%.

How much does it rain in Crossville in August?

In Crossville, in August, it is raining for 19.9 days, with typically 4.65" (118mm) of accumulated precipitation.

When it does not snow in Crossville?

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

How many hours of daylight does Crossville have in August?

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

How many hours of sunshine does Crossville have in August?

In Crossville, Tennessee, the average sunshine in August is 9.6h.

When is the highest UV index in Crossville?

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

How high is the UV index in August in Crossville?

In Crossville, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in August - Crossville, TN
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in August - Crossville, TN
  • Average pressure in August: 30"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in August - Crossville, TN
  • Average humidity in August: 79%

Months with the highest relative humidity are February, March and December (81%).
The month with the lowest relative humidity is November (77%).

Average rainfall in August - Crossville, TN
  • Average rainfall in August: 4.65"

The wettest month (with the highest rainfall) is July (5.51").
The driest month (with the least rainfall) is November (3.15").

Average rainfall days in August - Crossville, TN
  • Average rainfall days in August: 19.9 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (11.2 days).

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

The month with the highest snowfall is February (2.91").
Months with the least snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (8.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Crossville, 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: 9.8h).

  • Average sunshine in August: 9.6h

The month with the most sunshine is June (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.1h).

Average sunshine days in August - Crossville, TN
  • Average sunshine days in August: 8.9 days

The month with the most sunshine days is October (16.2 days).
Months with the least sunshine days are June and July (7.8 days).

Average UV index in August - Crossville, 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).

Average cloud cover in August - Crossville, TN
  • Average cloud cover in August: 37

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 35).

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

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