August weather forecastGrassland, TN
August
Weather in August
The last month of the summer, August, is another hot month in Grassland, Tennessee, with an average temperature ranging between max 87.3°F (30.7°C) and min 68°F (20°C).Temperature
The arrival of August is marked by an average high-temperature of a still hot 87.3°F (30.7°C), bearing a close resemblance to July. The nighttime temperature dips to a pleasant 68°F (20°C) on average during August.Heat index
The heat index for August is appraised at a fiery hot 100.4°F (38°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Grassland, the average relative humidity in August is 75%.Rainfall
In Grassland, in August, during 17.6 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Grassland, during the entire year, the rain falls for 176.6 days and collects up to 38.94" (989mm) of precipitation.Snowfall
In Grassland, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 29min.On the first day of August, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:16 pm CDT.
Sunshine
The average sunshine in August in Grassland is 10.3h.UV index
The months with the highest UV index in Grassland are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grassland, TN
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in August: 68°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in August
Grassland, TN
- Average pressure in August: 29.99"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
Grassland, TN
- Average wind speed in August: 4.6mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in August
Grassland, TN
- Average humidity in August: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in August
Grassland, TN
- Average rainfall in August: 3.62"
The wettest month (with the highest rainfall) is July (4.37").
The driest months (with the least rainfall) are September and November (2.36").
Average rainfall days in August
Grassland, TN
- Average rainfall days in August: 17.6 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in August
Grassland, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Grassland, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.9 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
Grassland, 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 18min
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 30min).
Average sunshine days in August
Grassland, TN
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in August
Grassland, 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
Grassland, TN
- Average cloud cover in August: 31
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in August
Grassland, 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).





