December weather forecast
Vernon Heights, TN

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Weather in December

December, the first month of the winter in Vernon Heights, is also a frosty month, with an average temperature fluctuating between 47.3°F (8.5°C) and 32.9°F (0.5°C).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a moderate 55.9°F (13.3°C) in November to a frosty 47.3°F (8.5°C). During December, Vernon Heights's temperature falls to a steady low-temperature average of 32.9°F (0.5°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Vernon Heights, Tennessee, in December, during 10.9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 147.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Vernon Heights, during December, snow falls for 2.7 days and regularly aggregates up to 1.38" (35mm) of snow. In Vernon Heights, during the entire year, snow falls for 16.7 days and aggregates up to 5.35" (136mm) of snow.

Daylight

December has the shortest days of the year in Vernon Heights, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:14 pm. On the last day of December, in Vernon Heights, sunrise is at 7:42 am and sunset at 5:25 pm EST.

Sunshine

In December, the average sunshine is 5.3h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the temperature in December in Vernon Heights?

In Vernon Heights, 47.3°F (8.5°C) is the average high-temperature and 32.9°F (0.5°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 95°F (35°C).

What is the average humidity in December in Vernon Heights?

In Vernon Heights, Tennessee, the average relative humidity in December is 78%.

How much does it rain in Vernon Heights in December?

In Vernon Heights, Tennessee, during December, the rain falls for 10.9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How many days does it snow in December in Vernon Heights?

In December, in Vernon Heights, Tennessee, it is snowing for 2.7 days. Throughout December, 1.38" (35mm) of snow is accumulated.

What is the month with the shortest days in Vernon Heights?

December has the shortest days of the year in Vernon Heights, with an average of 9h and 42min of daylight.

How many hours of daylight does Vernon Heights have in December?

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

When is the sunrise / sunset in December in Vernon Heights?

On the first day of December in Vernon Heights, sunrise is at 7:24 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:25 pm EST.

How long on average sun shines in December in Vernon Heights?

The average sunshine duration in December is 5.3h.

What is the month with the lowest UV index in Vernon Heights?

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

What is the UV index intensity in December in Vernon Heights?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Vernon Heights, TN

Average temperature in December - Vernon Heights, TN
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in December
Vernon Heights, TN

Average pressure in December - Vernon Heights, TN
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in December
Vernon Heights, TN

Average wind speed in December - Vernon Heights, TN
  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in December
Vernon Heights, TN

Average humidity in December - Vernon Heights, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).

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Average rainfall in December
Vernon Heights, TN

Average rainfall in December - Vernon Heights, TN
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").

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Average rainfall days in December
Vernon Heights, TN

Average rainfall days in December - Vernon Heights, TN
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).

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Average snowfall in December
Vernon Heights, TN

Average snowfall in December - Vernon Heights, TN
  • Average snowfall in December: 1.38"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Vernon Heights, TN

Average snowfall days in December - Vernon Heights, TN
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Vernon Heights, TN

Average daylight in December / Average sunshine in December - Vernon Heights, 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: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in December
Vernon Heights, TN

Average sunshine days in December - Vernon Heights, TN
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in December
Vernon Heights, TN

Average UV index in December - Vernon Heights, 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
Vernon Heights, TN

Average cloud cover in December - Vernon Heights, TN
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Vernon Heights, TN

Average visibility in December - Vernon Heights, TN
  • Average visibility in December: 6mi

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

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Vernon Heights, Tennessee, USA

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