August weather forecastDyer, TN
August
Weather in August
The last month of the summer, August, is another tropical month in Dyer, Tennessee, with an average temperature varying between 87.1°F (30.6°C) and 68.5°F (20.3°C).Temperature
The arrival of August denotes a barely perceptible change in the average high-temperatures to a still tropical 87.1°F (30.6°C) from July's 88°F (31.1°C). Dyer cools down to an average low-temperature of 68.5°F (20.3°C) throughout the month of August.Heat index
The heat index in August is calculated to be a torrid 100.4°F (38°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.The heat index's values are generally associated with conditions in shade and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in August is 76%.Rainfall
In Dyer, in August, during 13.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Dyer, there are 161.7 rainfall days, and 38.46" (977mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 29min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:00 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:24 pm CDT.
Sunshine
In Dyer, the average sunshine in August is 10.4h.UV index
In Dyer, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In August, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dyer, TN
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in August: 68.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in August
Dyer, 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 (29.95"Hg).
Average wind speed in August
Dyer, TN
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in August
Dyer, TN
- Average humidity in August: 76%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Dyer, TN
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in August
Dyer, TN
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is October (10 days).
Average snowfall in August
Dyer, TN
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Dyer, TN
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (2.6 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
Dyer, 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 24min
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
Dyer, TN
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Dyer, TN
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in August
Dyer, TN
- Average cloud cover in August: 28
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
Dyer, 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).





