July weather forecastJohnston Circle, TN
July
Weather in July
July in Johnston Circle, Tennessee, is a tropical summer month, with an average temperature fluctuating between 87.8°F (31°C) and 66.4°F (19.1°C).Temperature
Johnston Circle notes the warmest temperatures in July, with a high average of 87.8°F (31°C) and a low of 66.4°F (19.1°C).Heat index
For most parts of July, the heat index is computed to be a fiery hot 102.2°F (39°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. 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 human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
June through November, with an average relative humidity of 75%, are the least humid months in Johnston Circle.Rainfall
July is the month with the most rainfall. Rain falls for 17 days and accumulates 2.64" (67mm) of precipitation.Snowfall
April through October are months without snowfall in Johnston Circle.Daylight
In July, the average length of the day is 14h and 16min.On the first day of July, sunrise is at 6:28 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:43 pm EDT.
Sunshine
In July, the average sunshine is 10.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during July translates into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Johnston Circle, TN
- Average high temperature in July: 87.8°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in July: 66.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in July
Johnston Circle, 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
Johnston Circle, TN
- Average wind speed in July: 3.9mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in July
Johnston Circle, TN
- Average humidity in July: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in July
Johnston Circle, TN
- Average rainfall in July: 2.64"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in July
Johnston Circle, TN
- Average rainfall days in July: 17 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in July
Johnston Circle, TN
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Johnston Circle, TN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Johnston Circle, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in July
Johnston Circle, TN
- Average sunshine days in July: 11.6 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in July
Johnston Circle, 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
Johnston Circle, TN
- Average cloud cover in July: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in July
Johnston Circle, TN
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).





