December weather forecast
Culpeper, VA

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Weather in December

In December, Culpeper embraces the onset of winter, waving goodbye to the last traces of fall. The average temperatures lower down to 46.4°F (8°C), a sharp drop from the mild weather in November. Snowfall coincides with the festive season, painting a picturesque white winter across the city. The decreased visibility due to fog and low clouds adds to the charm. Ending the year on a quieter note, December marries the beauty of winter with the cheer of holiday season.

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 54.1°F (12.3°C) to a chilly 46.4°F (8°C). Throughout the month of December, Culpeper witnesses an average low-temperature of 31.8°F (-0.1°C).

Humidity

The months with the highest humidity are October and December, with an average relative humidity of 77%.

Rainfall

In December, in Culpeper, the rain falls for 9.6 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 144.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Culpeper, Virginia, are January through May, November and December. In December, it is snowing for 2.3 days. Throughout December, 1.69" (43mm) of snow is accumulated. In Culpeper, during the entire year, snow falls for 15.4 days and aggregates up to 9.17" (233mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Culpeper, sunrise is at 7:11 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:01 pm EST.

Sunshine

With an average of 5.2h of sunshine, December has the least sunshine of the year in Culpeper.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are December temperatures in Culpeper?

In December, in Culpeper, the average high-temperature is 46.4°F (8°C), and the average low-temperature is 31.8°F (-0.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What is the most humid month in Culpeper?

October and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in December in Culpeper?

The average relative humidity in December in Culpeper is 77%.

How much does it rain in Culpeper in December?

In December, in Culpeper, Virginia, the rain falls for 9.6 days. Throughout December, 2.17" (55mm) of precipitation is accumulated.

How many days does it snow in December in Culpeper?

In Culpeper, in December, during 2.3 snowfall days, 1.69" (43mm) of snow is typically accumulated.

What is the month with the shortest days in Culpeper?

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

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

The average day length in December is 9h and 32min.

What time are sunrise and sunset in December in Culpeper?

On the first day of December, sunrise is at 7:11 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:01 pm EST.

What is the month with the least sunshine in Culpeper?

December has the least sunshine of the year in Culpeper, Virginia, with an average of 5.2h of sunshine.

How many hours of sunshine does Culpeper have in December?

In Culpeper, Virginia, the average sunshine duration in December is 5.2h.

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

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

What is the UV index intensity in December in Culpeper?

In December, the average daily maximum UV index in Culpeper, Virginia, is 2. A UV Index reading of 2, and below, represents a low health risk 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
Culpeper, VA

Average temperature in December - Culpeper, VA
  • Average high temperature in December: 46.4°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 (41.4°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in December
Culpeper, VA

Average pressure in December - Culpeper, 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).

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Average wind speed in December
Culpeper, VA

Average wind speed in December - Culpeper, VA
  • Average wind speed in December: 5.5mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Culpeper, VA

Average humidity in December - Culpeper, VA
  • Average humidity in December: 77%

The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in December
Culpeper, VA

Average rainfall in December - Culpeper, VA
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in December
Culpeper, VA

Average rainfall days in December - Culpeper, VA
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is May (16.1 days).
The months with the least rainy days are January and November (8.3 days).

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Average snowfall in December
Culpeper, VA

Average snowfall in December - Culpeper, VA
  • Average snowfall in December: 1.69"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Culpeper, VA

Average snowfall days in December - Culpeper, VA
  • Average snowfall days in December: 2.3 days

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Culpeper, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in December
Culpeper, VA

Average sunshine days in December - Culpeper, VA
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12.5 days).

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Average UV index in December
Culpeper, VA

Average UV index in December - Culpeper, 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
Culpeper, VA

Average cloud cover in December - Culpeper, 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 31).

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Average visibility in December
Culpeper, VA

Average visibility in December - Culpeper, VA
  • Average visibility in December: 6mi

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

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Culpeper, Virginia, USA

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