July weather forecast
Lafayette, TN

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Weather in July

July is a tropical summer month in Lafayette, Tennessee, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 86.4°F (30.2°C).

Temperature

Lafayette's warmest month, July, registers temperatures that range from a high of 86.4°F (30.2°C) to a low of 67.3°F (19.6°C).

Heat index

In July, the average heat index is calculated to be a torrid 100.4°F (38°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in July is 79%.

Rainfall

July is the month with the most rainfall. Rain falls for 18.9 days and accumulates 4.29" (109mm) of precipitation.

Snowfall

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

Daylight

In Lafayette, the average length of the day in July is 14h and 22min.
On the first day of the month, sunrise is at 5:29 am and sunset at 8:06 pm. On the last day of July, in Lafayette, sunrise is at 5:50 am and sunset at 7:50 pm CDT.

Sunshine

In Lafayette, Tennessee, the average sunshine in July is 9.9h.

UV index

The months with the highest UV index in Lafayette are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What month is the hottest in Lafayette?

The warmest temperatures occur during July, when averages reach a peak of 86.4°F (30.2°C) and a low of 67.3°F (19.6°C).

How hot is it in Lafayette in July?

July temperatures vary between a high-temperature of 86.4°F (30.2°C) and a low-temperature of 67.3°F (19.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 100.4°F (38°C).

What is the average humidity in July in Lafayette?

The average relative humidity in July is 79%.

What is the wettest month in Lafayette?

The month with the most rainfall in Lafayette is July, when the rain falls for 18.9 days and typically aggregates up to 4.29" (109mm) of precipitation.

How much does it rain in Lafayette in July?

In Lafayette, Tennessee, during July, the rain falls for 18.9 days and regularly aggregates up to 4.29" (109mm) of precipitation.

When it does not snow in Lafayette?

May through October are months without snowfall in Lafayette.

What is the average length of the day in July in Lafayette?

In July, the average day length in Lafayette, Tennessee, is 14h and 22min.

When is the sunrise / sunset in July in Lafayette?

In July, on the first day of the month, sunrise is at 5:29 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:50 pm CDT.

How long on average sun shines in July in Lafayette?

In Lafayette, the average sunshine duration in July is 9.9h.

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

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

What is the UV index intensity in July in Lafayette?

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

Average temperature in July - Lafayette, TN
  • Average high temperature in July: 86.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.6°F).

  • Average low temperature in July: 67.3°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in July
Lafayette, TN

Average pressure in July - Lafayette, TN
  • Average pressure in July: 29.99"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in July
Lafayette, TN

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

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in July
Lafayette, TN

Average humidity in July - Lafayette, TN
  • Average humidity in July: 79%

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

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Average rainfall in July
Lafayette, TN

Average rainfall in July - Lafayette, TN
  • Average rainfall in July: 4.29"

The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days in July
Lafayette, TN

Average rainfall days in July - Lafayette, TN
  • Average rainfall days in July: 18.9 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in July
Lafayette, TN

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

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Lafayette, TN

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

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Lafayette, TN

Average daylight in July / Average sunshine in July - Lafayette, 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: 9h and 5min

The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in July
Lafayette, TN

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

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in July
Lafayette, TN

Average UV index in July - Lafayette, 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).

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Average cloud cover in July
Lafayette, TN

Average cloud cover in July - Lafayette, TN
  • Average cloud cover in July: 35

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in July
Lafayette, TN

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

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

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Lafayette, Tennessee, USA

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