December weather forecast
Lebanon, VA

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Weather in December

December, the first month of the winter in Lebanon, is still a chilly month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 45°F (7.2°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a fresh 52.9°F (11.6°C) to a frosty 45°F (7.2°C). In December, the average low-temperature is a freezing cold 31.5°F (-0.3°C).

Humidity

The average relative humidity in December in Lebanon is 80%.

Rainfall

In Lebanon, during December, the rain falls for 13.1 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Lebanon, during the entire year, the rain falls for 165.7 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Lebanon, Virginia. In December, it is snowing for 8.2 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, there are 41.7 snowfall days, and 13.23" (336mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:22 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The high-temperature during December is 45°F (7.2°C) and the low-temperature is 31.5°F (-0.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in December?

In Lebanon, during December, the rain falls for 13.1 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in December?

In Lebanon, in December, during 8.2 snowfall days, 2.72" (69mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December in Lebanon?

The average day length in December is 9h and 41min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:22 pm EST.

How many hours of sunshine does Lebanon have in December?

In Lebanon, the average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

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?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Lebanon, VA

Average temperature in December - Lebanon, VA
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in December
Lebanon, VA

Average pressure in December - Lebanon, VA
  • 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).

Average wind speed in December
Lebanon, VA

Average wind speed in December - Lebanon, VA
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Lebanon, VA

Average humidity in December - Lebanon, VA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December
Lebanon, VA

Average rainfall in December - Lebanon, VA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (1.1").

Average rainfall days in December
Lebanon, VA

Average rainfall days in December - Lebanon, VA
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in December
Lebanon, VA

Average snowfall in December - Lebanon, VA
  • Average snowfall in December: 2.72"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lebanon, VA

Average snowfall days in December - Lebanon, VA
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Lebanon, VA

Average daylight in December / Average sunshine in December - Lebanon, VA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Lebanon, VA

Average sunshine days in December - Lebanon, VA
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in December
Lebanon, VA

Average UV index in December - Lebanon, VA
  • Average UV index in December: 2

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Lebanon, VA

Average cloud cover in December - Lebanon, VA
  • Average cloud cover in December: 53

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Lebanon, VA

Average visibility in December - Lebanon, VA
  • Average visibility in December: 5mi

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

Lebanon, Virginia, USA

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