July weather forecast
Commerce, TN

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Weather in July

July is a tropical summer month in Commerce, Tennessee, with an average temperature varying between 86.9°F (30.5°C) and 67.1°F (19.5°C).

Temperature

July, on average, is the warmest month, registering a high temperature of 86.9°F (30.5°C) and a low of 67.1°F (19.5°C).

Heat index

July's mean heat index is calculated to be a sweltering 102.2°F (39°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In Commerce, the average relative humidity in July is 78%.

Rainfall

The months with the most rainfall are February and July, with an average 4.17" (106mm) of precipitation.

Snowfall

May through October are months without snowfall in Commerce, Tennessee.

Daylight

In Commerce, Tennessee, the average length of the day in July is 14h and 20min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:05 pm. On the last day of July, in Commerce, sunrise is at 5:51 am and sunset at 7:50 pm CDT.

Sunshine

In July, the average sunshine is 10.2h.

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 threat to health from exposure to the Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Commerce?

July, with its average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 67.1°F (19.5°C), holds the record as the warmest month in Commerce.

How hot is July in Commerce?

In Commerce, 86.9°F (30.5°C) is the average high-temperature and 67.1°F (19.5°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 102.2°F (39°C).

What is the average humidity in July in Commerce?

The average relative humidity in July in Commerce is 78%.

What is the rainiest month in Commerce?

The wettest months are February and July, with an average 4.17" (106mm) of rainfall.

How much does it rain in Commerce in July?

In July, in Commerce, Tennessee, the rain falls for 18.8 days. Throughout July, 4.17" (106mm) of precipitation is accumulated.

When it does not snow in Commerce?

In Commerce, snow does not fall in May through October.

How many hours of daylight does Commerce have in July?

In July, the average day length in Commerce, Tennessee, is 14h and 20min.

When are sunrise and sunset in July in Commerce?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:50 pm CDT.

How many hours of sunshine does Commerce have in July?

The average sunshine duration in July in Commerce, Tennessee, is 10.2h.

What is the month with the highest UV index in Commerce?

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

How high is the UV index in July in Commerce?

In Commerce, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Commerce, TN

Average temperature in July - Commerce, TN
  • Average high temperature in July: 86.9°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in July
Commerce, TN

Average pressure in July - Commerce, 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
Commerce, TN

Average wind speed in July - Commerce, TN
  • Average wind speed in July: 4.3mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in July
Commerce, TN

Average humidity in July - Commerce, TN
  • Average humidity in July: 78%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in July
Commerce, TN

Average rainfall in July - Commerce, TN
  • Average rainfall in July: 4.17"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in July
Commerce, TN

Average rainfall days in July - Commerce, 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 (10.5 days).

Average snowfall in July
Commerce, TN

Average snowfall in July - Commerce, TN
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Commerce, TN

Average snowfall days in July - Commerce, TN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.5 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
Commerce, TN

Average daylight in July / Average sunshine in July - Commerce, 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 42min).

  • Average sunshine in July: 10h and 1min

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

Average sunshine days in July
Commerce, TN

Average sunshine days in July - Commerce, TN
  • Average sunshine days in July: 10 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

Average UV index in July
Commerce, TN

Average UV index in July - Commerce, 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
Commerce, TN

Average cloud cover in July - Commerce, TN
  • Average cloud cover in July: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in July
Commerce, TN

Average visibility in July - Commerce, TN
  • Average visibility in July: 5mi

The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).

Commerce, Tennessee, USA

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