December weather forecast
Lake Barcroft, VA

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Weather in December

December, the first month of the winter in Lake Barcroft, is also a frosty month, with an average temperature fluctuating between 45.5°F (7.5°C) and 33.1°F (0.6°C).

Temperature

As November transitions into December, Lake Barcroft sees a drop in the average high-temperature, transitioning from a fresh 54.5°F (12.5°C) to a chilly 45.5°F (7.5°C). Lake Barcroft witnesses a consistent average low-temperature of 33.1°F (0.6°C) throughout December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Lake Barcroft, Virginia, in December, during 10.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Lake Barcroft, during the entire year, the rain falls for 161.2 days and collects up to 31.54" (801mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 2.6 days. Throughout December, 1.73" (44mm) of snow is accumulated. Throughout the year, there are 16.1 snowfall days, and 10.39" (264mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Lake Barcroft, Virginia, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm EST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.2h of sunshine.

UV index

January, November 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Lake Barcroft experiences an average high-temperature of 45.5°F (7.5°C) and a low-temperature of 33.1°F (0.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How many days does it rain in December?

In Lake Barcroft, during December, the rain falls for 10.8 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How much does it snow in December?

In Lake Barcroft, in December, snow falls for 2.6 days, with typically accumulated 1.73" (44mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Lake Barcroft have in December?

In December, the average day length is 9h and 30min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm EST.

What is the month with the least sunshine?

January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index in Lake Barcroft?

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

What is the UV index reading in December in Lake Barcroft?

The average daily maximum UV index in December is 2. A UV Index reading 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
Lake Barcroft, VA

Average temperature in December - Lake Barcroft, VA
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Lake Barcroft, VA

Average pressure in December - Lake Barcroft, VA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Lake Barcroft, VA

Average wind speed in December - Lake Barcroft, VA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Lake Barcroft, VA

Average humidity in December - Lake Barcroft, VA
  • Average humidity in December: 76%

The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in December
Lake Barcroft, VA

Average rainfall in December - Lake Barcroft, VA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in December
Lake Barcroft, VA

Average rainfall days in December - Lake Barcroft, VA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Lake Barcroft, VA

Average snowfall in December - Lake Barcroft, VA
  • Average snowfall in December: 1.73"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Lake Barcroft, VA

Average snowfall days in December - Lake Barcroft, VA
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Lake Barcroft, VA

Average daylight in December / Average sunshine in December - Lake Barcroft, VA
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

Average sunshine days in December
Lake Barcroft, VA

Average sunshine days in December - Lake Barcroft, VA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in December
Lake Barcroft, VA

Average UV index in December - Lake Barcroft, 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, November and December (UV index 2).

Average cloud cover in December
Lake Barcroft, VA

Average cloud cover in December - Lake Barcroft, VA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Lake Barcroft, VA

Average visibility in December - Lake Barcroft, VA
  • Average visibility in December: 6mi

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

Lake Barcroft, Virginia, USA

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