August weather forecastUnion City, TN
August
Weather in August
August, the last month of the summer in Union City, is another hot month, with an average temperature fluctuating between 68.2°F (20.1°C) and 86.5°F (30.3°C).Temperature
Union City, Tennessee, marks the onset of August with an average high-temperature of a still hot 86.5°F (30.3°C), subtly divergent from July's 88°F (31.1°C). An average low-temperature of 68.2°F (20.1°C) is observed during August nights in Union City.Heat index
The heat index for August is appraised at a very hot 98.6°F (37°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In Union City, the average relative humidity in August is 76%.Rainfall
In August, in Union City, the rain falls for 13.5 days. Throughout August, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Union City, there are 159.3 rainfall days, and 39.69" (1008mm) of precipitation is accumulated.Snowfall
In Union City, snow does not fall in April through October.Daylight
The average length of the day in August in Union City is 13h and 30min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:01 pm. On the last day of August, in Union City, Tennessee, sunrise is at 6:27 am and sunset at 7:25 pm CDT.
Sunshine
In Union City, the average sunshine in August is 10.3h.UV index
In Union City, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 6 in August translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Union City, TN
- Average high temperature in August: 86.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in August: 68.2°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 (30.4°F).
Average pressure in August
Union City, 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
Union City, TN
- Average wind speed in August: 5.7mph
The windiest months (with the highest average wind speed) are February, March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Union City, TN
- Average humidity in August: 76%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in August
Union City, TN
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in August
Union City, TN
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in August
Union City, TN
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Union City, TN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (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
Union City, 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 42min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Union City, TN
- Average sunshine days in August: 15.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Union City, 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
Union City, 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 26).
Average visibility in August
Union City, 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).
