July weather forecast
Lancaster, TN

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Weather in July

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

Temperature

The temperatures reach their highest averages in July, with highs of 86.9°F (30.5°C) and lows of 67.1°F (19.5°C).

Heat index

Throughout July, the heat index is calculated to be a very hot 102.2°F (39°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to 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 is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in July is 78%.

Rainfall

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

Snowfall

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

Daylight

In July, the average length of the day in Lancaster is 14h and 20min.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:04 pm. On the last day of July, in Lancaster, sunrise is at 5:50 am and sunset at 7:49 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 in Lancaster. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are the warmest months in Lancaster?

The warmest month in Lancaster, Tennessee, is July, with an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 67.1°F (19.5°C).

How hot does it get in Lancaster in July?

In Lancaster, in July, the average high-temperature is 86.9°F (30.5°C), and the average low-temperature is 67.1°F (19.5°C). 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 Lancaster?

The average relative humidity in July in Lancaster, Tennessee, is 78%.

What is the rainiest month in Lancaster?

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

How much does it rain in Lancaster in July?

In Lancaster, in July, it is raining for 18.8 days, with typically 4.17" (106mm) of accumulated precipitation.

When it does not snow in Lancaster?

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

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

The average day length in July is 14h and 20min.

What time are sunrise and sunset in July in Lancaster?

In July, on the first day of the month, sunrise is at 5:30 am and sunset at 8:04 pm. On the last day of the month, in Lancaster, Tennessee, sunrise is at 5:50 am and sunset at 7:49 pm CDT.

How many hours of sunshine does Lancaster have in July?

In July, the average sunshine duration in Lancaster is 10.2h.

What are the months with the highest UV index in Lancaster?

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

How high is the UV index in July in Lancaster?

In Lancaster, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Lancaster, TN

Average temperature in July - Lancaster, 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).

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Average pressure in July
Lancaster, TN

Average pressure in July - Lancaster, 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).

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Average wind speed in July
Lancaster, TN

Average wind speed in July - Lancaster, 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).

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Average humidity in July
Lancaster, TN

Average humidity in July - Lancaster, 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%).

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Average rainfall in July
Lancaster, TN

Average rainfall in July - Lancaster, 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").

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Average rainfall days in July
Lancaster, TN

Average rainfall days in July - Lancaster, 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).

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Average snowfall in July
Lancaster, TN

Average snowfall in July - Lancaster, 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").

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Average snowfall days in July
Lancaster, TN

Average snowfall days in July - Lancaster, 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).

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

Average daylight in July / Average sunshine in July - Lancaster, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in July
Lancaster, TN

Average sunshine days in July - Lancaster, 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).

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Average UV index in July
Lancaster, TN

Average UV index in July - Lancaster, 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
Lancaster, TN

Average cloud cover in July - Lancaster, 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).

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Average visibility in July
Lancaster, TN

Average visibility in July - Lancaster, 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).

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Lancaster, Tennessee, USA

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