August weather forecastDeason, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Deason, Tennessee, with an average temperature fluctuating between 86.5°F (30.3°C) and 67.1°F (19.5°C).Temperature
An average high-temperature of a still tropical 86.5°F (30.3°C) marks August, exhibiting a close resemblance to the conditions in July. An average low-temperature of 67.1°F (19.5°C) is expected during August.Heat index
The average heat index in August is computed to be a sweltering 100.4°F (38°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital 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 body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
The average relative humidity in August is 77%.Rainfall
In August, the rain falls for 17.3 days. Throughout August, 3.78" (96mm) of precipitation is accumulated. In Deason, Tennessee, during the entire year, the rain falls for 167.2 days and collects up to 38.78" (985mm) of precipitation.Snowfall
In Deason, snow does not fall in May through October.Daylight
In Deason, the average length of the day in August is 13h and 28min.On the first day of August in Deason, sunrise is at 5:54 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:13 pm CDT.
Sunshine
The average sunshine in August is 9.9h.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 hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 6 in August translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Deason, TN
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in August: 67.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in August
Deason, 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
Deason, TN
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in August
Deason, TN
- Average humidity in August: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Deason, TN
- Average rainfall in August: 3.78"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in August
Deason, TN
- Average rainfall days in August: 17.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in August
Deason, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Deason, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.1 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
Deason, 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: 9h and 54min
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 18min).
Average sunshine days in August
Deason, TN
- Average sunshine days in August: 12.1 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in August
Deason, 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 and December (UV index 2).
Average cloud cover in August
Deason, TN
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in August
Deason, 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).
