July weather forecastHornsby, TN
July
Weather in July
July, like June, is another hot summer month in Hornsby, Tennessee, with an average temperature fluctuating between 70°F (21.1°C) and 88.5°F (31.4°C).Temperature
The warmest period tends to be July, when average temperatures fluctuate between a high of 88.5°F (31.4°C) and a low of 70°F (21.1°C).Heat index
The heat index for July is calculated to be a blisteringly hot 105.8°F (41°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In July, the average relative humidity is 77%.Rainfall
In Hornsby, in July, during 17.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Hornsby, Tennessee, during the entire year, the rain falls for 169.4 days and collects up to 40.39" (1026mm) of precipitation.Snowfall
In Hornsby, snow does not fall in April through October.Daylight
The average length of the day in July in Hornsby is 14h and 16min.On the first day of July, sunrise is at 5:44 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:59 pm CDT.
Sunshine
The average sunshine in July is 10.3h.UV index
The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during July leads to these advisories:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hornsby, TN
- Average high temperature in July: 88.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in July: 70°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in July
Hornsby, TN
- Average pressure in July: 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 July
Hornsby, TN
- Average wind speed in July: 4.9mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in July
Hornsby, TN
- Average humidity in July: 77%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Hornsby, TN
- Average rainfall in July: 3.58"
The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in July
Hornsby, TN
- Average rainfall days in July: 17.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in July
Hornsby, TN
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Hornsby, TN
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (2.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Hornsby, TN
- Average daylight in July: 14h and 18min
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 July: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in July
Hornsby, TN
- Average sunshine days in July: 11.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in July
Hornsby, TN
- Average UV index in July: 6
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Hornsby, TN
- Average cloud cover in July: 31
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in July
Hornsby, TN
- Average visibility in July: 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).





