August weather forecastSummertown, TN
August
Weather in August
The last month of the summer, August, is another hot month in Summertown, Tennessee, with an average temperature ranging between min 68°F (20°C) and max 86.9°F (30.5°C).Temperature
During August, Summertown records an average high-temperature of a still hot 86.9°F (30.5°C), marking a slight divergence from July's 88°F (31.1°C). Throughout the nights in August, Summertown experiences an average low-temperature of 68°F (20°C).Heat index
August's mean heat index is computed to be a torrid 100.4°F (38°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in August in Summertown, Tennessee, is 76%.Rainfall
In Summertown, Tennessee, in August, it is raining for 16.8 days, with typically 2.91" (74mm) of accumulated precipitation. In Summertown, during the entire year, the rain falls for 165.6 days and collects up to 30.39" (772mm) of precipitation.Snowfall
In Summertown, snow does not fall in April through October.Daylight
In August, the average length of the day in Summertown is 13h and 27min.On the first day of August, sunrise is at 5:58 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:17 pm CDT.
Sunshine
In August, the average sunshine in Summertown, Tennessee, is 10.2h.UV index
The months with the highest UV index in Summertown are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Summertown, TN
- Average high temperature in August: 86.9°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in August: 68°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in August
Summertown, TN
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in August
Summertown, TN
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in August
Summertown, TN
- Average humidity in August: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Summertown, TN
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in August
Summertown, TN
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in August
Summertown, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Summertown, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Summertown, TN
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Summertown, TN
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in August
Summertown, TN
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Summertown, TN
- Average cloud cover in August: 31
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in August
Summertown, TN
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
