July weather forecastPowell, TN
July
Weather in July
July, the same as June, in Powell, Tennessee, is another hot summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 88.9°F (31.6°C).Temperature
During the warmest month, July, temperatures average a high of 88.9°F (31.6°C) and a low of 66.7°F (19.3°C).Heat index
The heat index in July is evaluated at a scorching 104°F (40°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in July is 71%.Rainfall
In Powell, Tennessee, during July, the rain falls for 16.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Powell, during the entire year, the rain falls for 148.9 days and collects up to 29.57" (751mm) of precipitation.Snowfall
In Powell, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 19min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:43 am and sunset at 8:41 pm EDT.
Sunshine
The average sunshine in July in Powell is 10.4h.UV index
The months with the highest UV index 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 unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Powell, TN
- Average high temperature in July: 88.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in July: 66.7°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 (29.3°F).
Average pressure in July
Powell, TN
- Average pressure in July: 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 July
Powell, TN
- Average wind speed in July: 4mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in July
Powell, TN
- Average humidity in July: 71%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in July
Powell, TN
- Average rainfall in July: 2.76"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in July
Powell, TN
- Average rainfall days in July: 16.2 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in July
Powell, TN
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Powell, TN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Powell, TN
- Average daylight in July: 14h and 18min
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 July: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in July
Powell, TN
- Average sunshine days in July: 12.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in July
Powell, TN
- Average UV index in July: 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 July
Powell, TN
- Average cloud cover in July: 31
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in July
Powell, TN
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





