December weather forecast
Horsleys, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Horsleys, Tennessee, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 47.8°F (8.8°C).

Temperature

Horsleys's December weather shows a modest shift in high-temperatures, falling from November's refreshing 56.3°F (13.5°C) to a chilly 47.8°F (8.8°C). Throughout the month of December, Horsleys sees a steady low-temperature average of 35.1°F (1.7°C).

Humidity

February, March, May and December, with an average relative humidity of 79%, are the most humid months in Horsleys.

Rainfall

In Horsleys, in December, during 13.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 178.1 rainfall days, and 37.99" (965mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Horsleys. In Horsleys, during December, snow falls for 3.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Horsleys, during the entire year, snow falls for 17.2 days and aggregates up to 4.25" (108mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Horsleys, Tennessee.
On the first day of December in Horsleys, sunrise is at 6:38 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:39 pm CST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Horsleys in December?

An average high-temperature, in December, in Horsleys, is 47.8°F (8.8°C) and the average low-temperature is 35.1°F (1.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 96.8°F (36°C).

What is the most humid month in Horsleys?

The months with the highest humidity in Horsleys, Tennessee, are February, March, May and December, with an average relative humidity of 79%.

What is the average humidity in December in Horsleys?

The average relative humidity in December in Horsleys is 79%.

How many days does it rain in December in Horsleys?

In Horsleys, in December, during 13.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How much does it snow in Horsleys in December?

In Horsleys, Tennessee, in December, snow falls for 3.1 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days in Horsleys?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Horsleys, Tennessee.

How many hours of daylight does Horsleys have in December?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December in Horsleys?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:29 pm. On the last day of the month, in Horsleys, Tennessee, sunrise is at 6:56 am and sunset at 4:39 pm CST.

How long on average sun shines in December in Horsleys?

In Horsleys, Tennessee, the average sunshine duration in December is 4.5h.

What are the months with the lowest UV index in Horsleys?

The months with the lowest UV index in Horsleys are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Horsleys?

In December, the average daily maximum UV index in Horsleys is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Horsleys, TN

Average temperature in December - Horsleys, TN
  • Average high temperature in December: 47.8°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 December: 35.1°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 (29.5°F).

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Average pressure in December
Horsleys, TN

Average pressure in December - Horsleys, TN
  • Average pressure in December: 30.14"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 December
Horsleys, TN

Average wind speed in December - Horsleys, TN
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in December
Horsleys, TN

Average humidity in December - Horsleys, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in December
Horsleys, TN

Average rainfall in December - Horsleys, TN
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Horsleys, TN

Average rainfall days in December - Horsleys, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Horsleys, TN

Average snowfall in December - Horsleys, TN
  • Average snowfall in December: 0.59"

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

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Average snowfall days in December
Horsleys, TN

Average snowfall days in December - Horsleys, TN
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Horsleys, TN

Average daylight in December / Average sunshine in December - Horsleys, TN
  • Average daylight in December: 9h and 4min

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 December: 4h and 3min

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

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Average sunshine days in December
Horsleys, TN

Average sunshine days in December - Horsleys, TN
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in December
Horsleys, TN

Average UV index in December - Horsleys, TN
  • Average UV index in December: 2

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 December
Horsleys, TN

Average cloud cover in December - Horsleys, TN
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Horsleys, TN

Average visibility in December - Horsleys, TN
  • Average visibility in December: 6mi

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

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Horsleys, Tennessee, USA

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