August weather forecastCrystal, TN
August
Weather in August
The last month of the summer, August, is another hot month in Crystal, Tennessee, with an average temperature fluctuating between 86.5°F (30.3°C) and 68.2°F (20.1°C).Temperature
The advent of August brings an average high-temperature of a still tropical 86.5°F (30.3°C), exhibiting minor difference from the previous month. In the month of August, Crystal records a consistent average low-temperature of 68.2°F (20.1°C).Heat index
The heat index for August is appraised at a torrid 98.6°F (37°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In Crystal, the average relative humidity in August is 76%.Rainfall
In Crystal, Tennessee, in August, it is raining for 13.5 days, with typically 2.83" (72mm) of accumulated precipitation. In Crystal, during the entire year, the rain falls for 159.3 days and collects up to 39.69" (1008mm) of precipitation.Snowfall
In Crystal, snow does not fall in April through October.Daylight
In Crystal, the average length of the day in August is 13h and 31min.On the first day of August, sunrise is at 6:03 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:25 pm CDT.
Sunshine
In Crystal, the average sunshine in August is 10.3h.UV index
In Crystal, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 in August translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Crystal, TN
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in August: 68.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Crystal, TN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Crystal, TN
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are February, March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Crystal, TN
- Average humidity in August: 76%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in August
Crystal, TN
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in August
Crystal, TN
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in August
Crystal, TN
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Crystal, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Crystal, TN
- Average daylight in August: 13h and 30min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Crystal, TN
- Average sunshine days in August: 15.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Crystal, TN
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in August
Crystal, TN
- Average cloud cover in August: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in August
Crystal, TN
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





