August weather forecastDevenport, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Devenport, Tennessee, with an average temperature ranging between max 86.4°F (30.2°C) and min 66.2°F (19°C).Temperature
Devenport's August reports an average high-temperature of a still hot 86.4°F (30.2°C), exhibiting a minor difference from July. The low-temperature averages to a refreshing 66.2°F (19°C) during the nights of August.Heat index
Throughout August, the heat index is evaluated at a sweltering 98.6°F (37°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Devenport, Tennessee, the average relative humidity in August is 77%.Rainfall
In Devenport, in August, it is raining for 18.4 days, with typically 3.74" (95mm) of accumulated precipitation. In Devenport, during the entire year, the rain falls for 176.2 days and collects up to 40.91" (1039mm) of precipitation.Snowfall
In Devenport, snow does not fall in May through October.Daylight
In August, the average length of the day is 13h and 28min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:47 pm. On the last day of August, sunrise is at 6:15 am and sunset at 7:12 pm CDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Devenport, TN
- Average high temperature in August: 86.4°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in August: 66.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Devenport, TN
- Average pressure in August: 30"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
Devenport, TN
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in August
Devenport, TN
- Average humidity in August: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Devenport, TN
- Average rainfall in August: 3.74"
The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in August
Devenport, TN
- Average rainfall days in August: 18.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in August
Devenport, TN
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Devenport, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Devenport, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in August
Devenport, TN
- Average sunshine days in August: 11.2 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in August
Devenport, TN
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Devenport, TN
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in August
Devenport, TN
- Average visibility in August: 6mi
The months with the highest visibility are February, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May and July (5mi).
