July weather forecast
Harbor Isles, TN

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Weather in July

July, the same as June, in Harbor Isles, Tennessee, is another tropical summer month, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 69.4°F (20.8°C).

Temperature

July is Harbor Isles's warmest month, registering average high temperatures of 88.7°F (31.5°C) and lows of 69.4°F (20.8°C).

Heat index

Throughout July, the heat index is appraised at a blisteringly hot 104°F (40°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in July is 74%.

Rainfall

July is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Harbor Isles, the average length of the day in July is 14h and 19min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:06 pm. On the last day of July, sunrise is at 5:53 am and sunset at 7:51 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.3h of sunshine.

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 exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

In Harbor Isles, the peak temperatures are generally noted in July, averaging a high of 88.7°F (31.5°C) and a low of 69.4°F (20.8°C).

Is it hot during July?

In July, in Harbor Isles, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 69.4°F (20.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 104°F (40°C).

What is the average humidity in July?

The average relative humidity in July is 74%.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.19" (81mm) of precipitation.

How much does it rain in July?

In Harbor Isles, in July, during 17.3 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall in Harbor Isles.

What is the average length of the day in July?

In Harbor Isles, the average day length in July is 14h and 19min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:51 pm CDT.

What are the months with the most sunshine?

June and July, with an average of 10.3h of sunshine, are months with the most sunshine.

How many hours of sunshine does Harbor Isles have in July?

In Harbor Isles, the average sunshine duration in July is 10.3h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Harbor Isles, TN

Average temperature in July - Harbor Isles, TN
  • Average high temperature in July: 88.7°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in July: 69.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in July
Harbor Isles, TN

Average pressure in July - Harbor Isles, TN
  • Average pressure in July: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in July
Harbor Isles, TN

Average wind speed in July - Harbor Isles, TN
  • Average wind speed in July: 4.6mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in July
Harbor Isles, TN

Average humidity in July - Harbor Isles, TN
  • Average humidity in July: 74%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

Average rainfall in July
Harbor Isles, TN

Average rainfall in July - Harbor Isles, TN
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

Average rainfall days in July
Harbor Isles, TN

Average rainfall days in July - Harbor Isles, TN
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in July
Harbor Isles, TN

Average snowfall in July - Harbor Isles, TN
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Harbor Isles, TN

Average snowfall days in July - Harbor Isles, TN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (3.5 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
Harbor Isles, TN

Average daylight in July / Average sunshine in July - Harbor Isles, 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 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in July
Harbor Isles, TN

Average sunshine days in July - Harbor Isles, TN
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in July
Harbor Isles, TN

Average UV index in July - Harbor Isles, 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 February and December (UV index 2).

Average cloud cover in July
Harbor Isles, TN

Average cloud cover in July - Harbor Isles, 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 30).

Average visibility in July
Harbor Isles, TN

Average visibility in July - Harbor Isles, 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).

Harbor Isles, Tennessee, USA

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