December weather forecast
Commonwealth, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Commonwealth, Virginia, with an average temperature varying between 31.8°F (-0.1°C) and 46.6°F (8.1°C).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a fresh 54.5°F (12.5°C) to a frosty 46.6°F (8.1°C). During December, Commonwealth's temperature averages to a subzero cold 31.8°F (-0.1°C) at night.

Humidity

May, September, October and December, with an average relative humidity of 76%, are the most humid months in Commonwealth.

Rainfall

In Commonwealth, Virginia, in December, during 9.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Commonwealth, during the entire year, the rain falls for 155.9 days and collects up to 27.99" (711mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Commonwealth. In Commonwealth, in December, during 1.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, in Commonwealth, there are 14.6 snowfall days, and 10.43" (265mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Commonwealth, sunrise is at 7:11 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:04 pm EST.

Sunshine

January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Commonwealth.

UV index

The months with the lowest UV index in Commonwealth are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Commonwealth in December?

The average high-temperature and low-temperature in Commonwealth, Virginia, during December are 46.6°F (8.1°C) and 31.8°F (-0.1°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 96.8°F (36°C).

What is the most humid month in Commonwealth?

May, September, October and December, with an average relative humidity of 76%, are most humid months in Commonwealth.

What is the average humidity in December in Commonwealth?

The average relative humidity in December in Commonwealth, Virginia, is 76%.

How much does it rain in Commonwealth in December?

In December, in Commonwealth, Virginia, the rain falls for 9.2 days. Throughout December, 2.36" (60mm) of precipitation is accumulated.

How much does it snow in Commonwealth in December?

In Commonwealth, during December, snow falls for 1.9 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the month with the shortest days in Commonwealth?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Commonwealth, Virginia.

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

The average day length in December in Commonwealth, Virginia, is 9h and 34min.

When are sunrise and sunset in December in Commonwealth?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:54 pm. On the last day of the month, in Commonwealth, Virginia, sunrise is at 7:30 am and sunset at 5:04 pm EST.

What are the months with the least sunshine in Commonwealth?

January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Commonwealth.

How many hours of sunshine does Commonwealth have in December?

In December, the average sunshine duration is 5.4h.

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

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

How high is the UV index in December in Commonwealth?

The average daily maximum UV index in December in Commonwealth, Virginia, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Commonwealth, VA

Average temperature in December - Commonwealth, VA
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in December
Commonwealth, VA

Average pressure in December - Commonwealth, VA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Commonwealth, VA

Average wind speed in December - Commonwealth, VA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Commonwealth, VA

Average humidity in December - Commonwealth, VA
  • Average humidity in December: 76%

The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in December
Commonwealth, VA

Average rainfall in December - Commonwealth, VA
  • Average rainfall in December: 2.36"

The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in December
Commonwealth, VA

Average rainfall days in December - Commonwealth, VA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in December
Commonwealth, VA

Average snowfall in December - Commonwealth, VA
  • Average snowfall in December: 1.38"

The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Commonwealth, VA

Average snowfall days in December - Commonwealth, VA
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (4.6 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
Commonwealth, VA

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Commonwealth, VA

Average sunshine days in December - Commonwealth, VA
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in December
Commonwealth, VA

Average UV index in December - Commonwealth, VA
  • 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, November and December (UV index 2).

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Average cloud cover in December
Commonwealth, VA

Average cloud cover in December - Commonwealth, VA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in December
Commonwealth, VA

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

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

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Commonwealth, Virginia, USA

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