August weather forecastDecherd, TN
August
Weather in August
August, the last month of the summer in Decherd, is also a moderately hot month, with an average temperature fluctuating between 85.8°F (29.9°C) and 65.8°F (18.8°C).Temperature
The shift from July to August is characterized by an average high-temperature of a warm 85.8°F (29.9°C), not significantly different from the 86.5°F (30.3°C) of July. Decherd experiences a steady low-temperature of 65.8°F (18.8°C) throughout August.Heat index
For August, the heat index is estimated at a torrid 98.6°F (37°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. 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 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in August in Decherd, Tennessee, is 77%.Rainfall
In Decherd, in August, it is raining for 18.4 days, with typically 3.7" (94mm) of accumulated precipitation. In Decherd, during the entire year, the rain falls for 173.5 days and collects up to 39.25" (997mm) of precipitation.Snowfall
April through October are months without snowfall in Decherd.Daylight
In August, the average length of the day in Decherd is 13h and 26min.On the first day of August, sunrise is at 5:53 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:12 pm CDT.
Sunshine
The average sunshine in August is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a daily UV index of 6 turns into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Decherd, TN
- Average high temperature in August: 85.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in August
Decherd, 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 (29.98"Hg).
Average wind speed in August
Decherd, 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
Decherd, TN
- Average humidity in August: 77%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Decherd, TN
- Average rainfall in August: 3.7"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in August
Decherd, TN
- Average rainfall days in August: 18.4 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in August
Decherd, TN
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Decherd, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.2 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
Decherd, TN
- Average daylight in August: 13h and 24min
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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Decherd, TN
- Average sunshine days in August: 10.7 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in August
Decherd, 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
Decherd, TN
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in August
Decherd, TN
- Average visibility in August: 5mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
