August weather forecast
Jackson, TN

In August, Jackson, Tennessee experiences a slight dip in temperature from July, providing subtle hints of the approaching seasonal shift. The post-peak summer month retains considerable heat with an average high temperature of 87.4°F (30.8°C), making it the second-warmest month. Rainfall sees a decrease, signaling less frequent summer storms, while the wind speed experiences a minor bump. As daylight hours gradually decline, the UV index adjusts to a lower 6. By maintaining its warm, bright, and relatively dry personality, August leaves behind a lasting impression of the summer days.

Temperature

The arrival of August sees an average high-temperature of a still tropical 87.4°F (30.8°C), hardly diverging from July's 87.6°F (30.9°C). Throughout August, the nighttime temperature averages to an agreeable 69.1°F (20.6°C).

Heat index

August's average heat index is computed to be a fiery hot 102.2°F (39°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Jackson, the average relative humidity in August is 76%.

Rainfall

In Jackson, during August, the rain falls for 11.3 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Jackson, there are 125.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

In Jackson, Tennessee, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 28min.
On the first day of August, sunrise is at 6:04 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:23 pm CDT.

Sunshine

In August, the average sunshine in Jackson, Tennessee, is 10.4h.

UV index

The average daily maximum UV index in August in Jackson is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.