Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The onset of August marks an average high-temperature of a still moderately hot 83.5°F (28.6°C), hardly differing from July's 84.2°F (29°C). August sees the temperature falling to a mean low of 63.3°F (17.4°C).Heat index
The heat index value for August is calculated to be a tropical 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in August 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, Tennessee, during the entire year, the rain falls for 198.6 days and collects up to 51.73" (1314mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Crossville, the average length of the day in August is 13h and 29min.On the first day of August, sunrise is at 5:48 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:08 pm CDT.
Sunshine
In Crossville, the average sunshine in August is 9.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Crossville. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
When is the highest UV index in Crossville?
What is the UV index intensity in August?
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"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
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%
The 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").
The 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).
The 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: 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 48min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
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).
The 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
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
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
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
Crossville, Tennessee, USA
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