December weather forecast
Lebanon, TN

Weather in December

The first month of the winter, December, is still a chilly month in Lebanon, Tennessee, with an average temperature fluctuating between 35.2°F (1.8°C) and 48.9°F (9.4°C).

Temperature

In December, the average high-temperature slightly decreases from a moderate 56.7°F (13.7°C) in November to a chilly 48.9°F (9.4°C). The average low-temperature, in Lebanon, is 35.2°F (1.8°C).

Humidity

The months with the highest humidity are March and December, with an average relative humidity of 79%.

Rainfall

In Lebanon, Tennessee, in December, it is raining for 13.3 days, with typically 3.03" (77mm) of accumulated precipitation. In Lebanon, during the entire year, the rain falls for 182.4 days and collects up to 39.8" (1011mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Lebanon, Tennessee. In Lebanon, in December, during 2.6 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Lebanon, during the entire year, snow falls for 16.1 days and aggregates up to 3.66" (93mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 44min of daylight.
On the first day of the month, sunrise is at 6:37 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:40 pm CST.

Sunshine

In Lebanon, the average sunshine in December is 4.7h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Lebanon?

The average high-temperature, in December, in Lebanon, Tennessee, is 48.9°F (9.4°C), while the average low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the most humid month in Lebanon?

The months with the highest humidity in Lebanon are March and December, with an average relative humidity of 79%.

What is the average humidity in December in Lebanon?

In Lebanon, Tennessee, the average relative humidity in December is 79%.

How much does it rain in Lebanon in December?

In December, the rain falls for 13.3 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How many days does it snow in December in Lebanon?

In Lebanon, in December, during 2.6 snowfall days, 0.55" (14mm) of snow is typically accumulated.

What is the month with the shortest days in Lebanon?

With an average of 9h and 44min of daylight, December has the shortest days of the year in Lebanon.

How many hours of daylight does Lebanon have in December?

The average day length in December is 9h and 44min.

When are sunrise and sunset in December in Lebanon?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:30 pm. On the last day of the month, in Lebanon, Tennessee, sunrise is at 6:56 am and sunset at 4:40 pm CST.

How many hours of sunshine does Lebanon have in December?

The average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Lebanon?

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

How high is the UV index in December in Lebanon?

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

Average temperature in December
Lebanon, TN

Average temperature in December - Lebanon, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in December
Lebanon, TN

Average pressure in December - Lebanon, TN
  • Average pressure in December: 30.15"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
Lebanon, TN

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

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

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Average humidity in December
Lebanon, TN

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

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

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Average rainfall in December
Lebanon, TN

Average rainfall in December - Lebanon, TN
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in December
Lebanon, TN

Average rainfall days in December - Lebanon, TN
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11 days).

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Average snowfall in December
Lebanon, TN

Average snowfall in December - Lebanon, TN
  • Average snowfall in December: 0.55"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Lebanon, TN

Average snowfall days in December - Lebanon, TN
  • Average snowfall days in December: 2.6 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
Lebanon, TN

Average daylight in December / Average sunshine in December - Lebanon, TN
  • Average daylight in December: 9h and 44min

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 44min).

  • Average sunshine in December: 4h and 42min

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 30min).

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Average sunshine days in December
Lebanon, TN

Average sunshine days in December - Lebanon, TN
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in December
Lebanon, TN

Average UV index in December - Lebanon, 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
Lebanon, TN

Average cloud cover in December - Lebanon, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Lebanon, TN

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

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

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