August weather forecastCedar Grove, TN
August
Weather in August
August, the last month of the summer in Cedar Grove, is also a hot month, with an average temperature varying between 68.5°F (20.3°C) and 87.3°F (30.7°C).Temperature
With the arrival of August, Cedar Grove's average high-temperature registers at a still hot 87.3°F (30.7°C), indicating a subtle variation from the previous month. In August, Cedar Grove encounters an average low-temperature of 68.5°F (20.3°C) during the night.Heat index
During August, the heat index is estimated at a sweltering 102.2°F (39°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. 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 hold particular importance 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.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In Cedar Grove, Tennessee, the average relative humidity in August is 76%.Rainfall
In Cedar Grove, in August, it is raining for 14.2 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 162.4 rainfall days, and 38.35" (974mm) of precipitation is accumulated.Snowfall
In Cedar Grove, snow does not fall in April through October.Daylight
In Cedar Grove, Tennessee, the average length of the day in August is 13h and 28min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:58 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:22 pm CDT.
Sunshine
The average sunshine in August is 10.3h.UV index
The average daily maximum UV index in August in Cedar Grove is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during August translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cedar Grove, TN
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in August: 68.5°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in August
Cedar Grove, 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
Cedar Grove, TN
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in August
Cedar Grove, TN
- Average humidity in August: 76%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Cedar Grove, TN
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Cedar Grove, TN
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (10 days).
Average snowfall in August
Cedar Grove, TN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Cedar Grove, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.8 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
Cedar Grove, TN
- Average daylight in August: 13h and 30min
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 18min
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
Cedar Grove, TN
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in August
Cedar Grove, 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
Cedar Grove, TN
- Average cloud cover in August: 29
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in August
Cedar Grove, 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).





