August weather forecast
Lebanon, TN

Following the heatwave of July, Lebanon, Tennessee welcomes an August graced by a slight dip in average maximum temperature to 86.4°F (30.2°C). This month, acting as a transitional period, says goodbye to the peak summer heat and ushers in the coolness of the forthcoming autumn. Though August offers more rainfall as compared to July, it is just a gentle precursor to the wet days of September. However, the wind velocity remains constant, offering only a slight hint of the increased gust speeds that await in September. August, balancing the tail-end of summer and the advent of fall, hosts a bevy of weather elements, indicating the imminent arrival of autumn.

Temperature

Lebanon marks the start of August with an average high-temperature of a still tropical 86.4°F (30.2°C), hinting at a slight fluctuation from July's 87.4°F (30.8°C). Lebanon observes an average low-temperature of 66.9°F (19.4°C) during August.

Heat index

August's average heat index is appraised at a sweltering 98.6°F (37°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In August, the rain falls for 19.1 days. Throughout August, 3.9" (99mm) of precipitation is accumulated. In Lebanon, during the entire year, the rain falls for 182.4 days and collects up to 39.8" (1011mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Lebanon, the average length of the day in August is 13h and 29min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of August, in Lebanon, sunrise is at 6:16 am and sunset at 7:13 pm CDT.

Sunshine

The average sunshine in August 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.