July weather forecast
Devenport, TN

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Weather in July

July in Devenport, Tennessee, is a hot summer month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 66.9°F (19.4°C).

Temperature

Devenport's July weather, with an average high temperature of 87.1°F (30.6°C) and an average low temperature of 66.9°F (19.4°C), tends to be the warmest of the year.

Heat index

The average heat index in July is evaluated at a torrid 102.2°F (39°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Devenport, the average relative humidity in July is 77%.

Rainfall

The wettest months are February and July, with an average 4.45" (113mm) of rainfall.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 18min.
On the first day of July, sunrise is at 5:31 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:48 pm CDT.

Sunshine

The average sunshine in July is 10.2h.

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 risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during July translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Devenport experiences its average highest temperatures in July, reaching a peak of 87.1°F (30.6°C) and a minimum of 66.9°F (19.4°C).

How hot does it get in July?

The average high-temperature, in July, in Devenport, is 87.1°F (30.6°C), while the average low-temperature is 66.9°F (19.4°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 102.2°F (39°C).

What is the average humidity in July?

In Devenport, the average relative humidity in July is 77%.

What is the rainiest month?

The months with the most rainfall are February and July, with an average 4.45" (113mm) of precipitation.

How much does it rain in July?

In Devenport, in July, it is raining for 19.5 days, with typically 4.45" (113mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in July?

The average day length in July is 14h and 18min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:48 pm CDT.

How many hours of sunshine does Devenport have in July?

The average sunshine duration in July in Devenport is 10.2h.

When is the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
Devenport, TN

Average temperature in July - Devenport, TN
  • Average high temperature in July: 87.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in July
Devenport, TN

Average pressure in July - Devenport, 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
Devenport, TN

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

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in July
Devenport, TN

Average humidity in July - Devenport, TN
  • Average humidity in July: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in July
Devenport, TN

Average rainfall in July - Devenport, TN
  • Average rainfall in July: 4.45"

The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in July
Devenport, TN

Average rainfall days in July - Devenport, TN
  • Average rainfall days in July: 19.5 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in July
Devenport, TN

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

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Devenport, TN

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

The month with the highest number of snowfall days is January (4.2 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
Devenport, TN

Average daylight in July / Average sunshine in July - Devenport, TN
  • Average daylight in July: 14h and 2min

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 1min

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 24min).

Average sunshine days in July
Devenport, TN

Average sunshine days in July - Devenport, TN
  • Average sunshine days in July: 9.9 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in July
Devenport, TN

Average UV index in July - Devenport, 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
Devenport, TN

Average cloud cover in July - Devenport, 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
Devenport, TN

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

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

Devenport, Tennessee, USA

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