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
Postoak's shift into August sets the average high-temperature at a warm 85.5°F (29.7°C), a figure that deviates only slightly from July's 86.4°F (30.2°C). Postoak reports a considerable drop from daytime temperatures in August, recording an average nighttime figure of 63.9°F (17.7°C).Heat index
For August, the heat index is estimated at a very hot 96.8°F (36°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In Postoak, the average relative humidity in August is 77%.Rainfall
In Postoak, in August, during 18 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Postoak, during the entire year, the rain falls for 176.6 days and collects up to 39.41" (1001mm) of precipitation.Snowfall
May through October are months without snowfall in Postoak.Daylight
In Postoak, the average length of the day in August is 13h and 29min.On the first day of the month, sunrise is at 6:46 am and sunset at 8:42 pm. On the last day of August, sunrise is at 7:10 am and sunset at 8:06 pm EDT.
Sunshine
In Postoak, the average sunshine in August is 9.5h.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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in August transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
How hot is August?
What is the average humidity in August?
How much does it rain in Postoak in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Postoak have in August?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Postoak, TN
- Average high temperature in August: 85.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in August
Postoak, TN
- Average pressure in August: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Postoak, TN
- Average wind speed in August: 3.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in August
Postoak, TN
- Average humidity in August: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Postoak, TN
- Average rainfall in August: 3.31"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in August
Postoak, TN
- Average rainfall days in August: 18 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in August
Postoak, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Postoak, TN
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Postoak, TN
- Average daylight in August: 13h and 3min
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: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in August
Postoak, TN
- Average sunshine days in August: 10.9 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in August
Postoak, 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
Postoak, TN
- Average cloud cover in August: 32
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
Postoak, TN
- Average visibility in August: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Postoak, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location