August weather forecastMengelwood, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Mengelwood, Tennessee, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 68.9°F (20.5°C).Temperature
With the start of August, Mengelwood measures an average high-temperature of a still hot 86.5°F (30.3°C), not significantly differing from July's 87.6°F (30.9°C). An average low-temperature of 68.9°F (20.5°C) marks the month of August.Heat index
For most parts of August, the heat index is appraised at a very hot 100.4°F (38°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In Mengelwood, the average relative humidity in August is 77%.Rainfall
In Mengelwood, in August, it is raining for 11.5 days, with typically 1.3" (33mm) of accumulated precipitation. In Mengelwood, Tennessee, during the entire year, the rain falls for 118.2 days and collects up to 13.58" (345mm) of precipitation.Snowfall
In Mengelwood, snow does not fall in April through October.Daylight
In Mengelwood, Tennessee, the average length of the day in August is 13h and 29min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:02 pm. On the last day of August, in Mengelwood, Tennessee, sunrise is at 6:29 am and sunset at 7:26 pm CDT.
Sunshine
In Mengelwood, the average sunshine in August is 10.2h.UV index
In Mengelwood, Tennessee, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in August leads to these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mengelwood, TN
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in August: 68.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in August
Mengelwood, 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 (29.94"Hg).
Average wind speed in August
Mengelwood, TN
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Mengelwood, TN
- Average humidity in August: 77%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in August
Mengelwood, TN
- Average rainfall in August: 1.3"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in August
Mengelwood, TN
- Average rainfall days in August: 11.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in August
Mengelwood, TN
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Mengelwood, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Mengelwood, 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 48min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Mengelwood, TN
- Average sunshine days in August: 16.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in August
Mengelwood, TN
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Mengelwood, TN
- Average cloud cover in August: 27
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in August
Mengelwood, 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).





