Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
During the warmest month, July, temperatures average a high of 86.5°F (30.3°C) and a low of 64.9°F (18.3°C).Heat index
For July, the heat index is estimated at a torrid 100.4°F (38°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in July is 77%.Rainfall
The month with the most rainfall is July, when the rain falls for 18.8 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
In Harriman, snow does not fall in May through October.Daylight
In Harriman, the average length of the day in July is 14h and 19min.On the first day of July, sunrise is at 6:25 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:43 pm EDT.
Sunshine
In Harriman, the average sunshine in July is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in July translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Harriman?
Is it hot during July?
What is the average humidity in July?
What is the wettest month?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Harriman have in July?
When is the sunrise / sunset in July?
How long on average sun shines in July?
What is the month with the highest UV index?
What is the UV index intensity in July in Harriman?
Average temperature in July
Harriman, TN
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in July
Harriman, 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
Harriman, TN
- Average wind speed in July: 3.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in July
Harriman, TN
- Average humidity in July: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).
Average rainfall in July
Harriman, TN
- Average rainfall in July: 4.09"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in July
Harriman, TN
- Average rainfall days in July: 18.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in July
Harriman, TN
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Harriman, TN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (4.8 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
Harriman, TN
- Average daylight in July: 14h and 2min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in July
Harriman, TN
- Average sunshine days in July: 10.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in July
Harriman, 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
Harriman, TN
- Average cloud cover in July: 33
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in July
Harriman, TN
- Average visibility in July: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Harriman, Tennessee, USA
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