Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In August, Winchester experiences a minor shift in meteorological conditions with average high-temperatures marked at a warm 85.8°F (29.9°C), closely mirroring the climate in July. Throughout August, an average low-temperature of 65.8°F (18.8°C) is expected.Heat index
August's average heat index is computed to be a fiery hot 98.6°F (37°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In August, the average relative humidity in Winchester, Tennessee, is 77%.Rainfall
In August, the rain falls for 18.4 days. Throughout August, 3.7" (94mm) of precipitation is accumulated. Throughout the year, in Winchester, there are 173.5 rainfall days, and 39.25" (997mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 26min.On the first day of August in Winchester, sunrise is at 5:54 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
In Winchester, 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August in Winchester?
What is the average humidity in August in Winchester?
How many days does it rain in August in Winchester?
When it does not snow in Winchester?
How many hours of daylight does Winchester have in August?
When are sunrise and sunset in August in Winchester?
How many hours of sunshine does Winchester have in August?
What is the month with the highest UV index in Winchester?
How high is the UV index in August in Winchester?
Average temperature in August
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, TN
- Average daylight in August: 13h and 2min
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 1min
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
Winchester, 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
Winchester, 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
Winchester, 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
Winchester, 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).
Winchester, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location