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

December in Culpeper heralds a minor drop in average high-temperature, sliding from November's fresh 54.1°F (12.3°C) to a chilly 46.4°F (8°C). During December, the average low-temperature is a subzero cold 31.8°F (-0.1°C).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through May, November and December. In Culpeper, in December, snow falls for 2.3 days, with typically accumulated 1.69" (43mm) of snow. Throughout the year, there are 15.4 snowfall days, and 9.17" (233mm) of snow is accumulated.

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The average high-temperature, in December, in Culpeper, is 46.4°F (8°C), while the average low-temperature is 31.8°F (-0.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 95°F (35°C).

What is the most humid month?

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 is 77%.

How much does it rain in Culpeper in December?

In Culpeper, Virginia, in December, it is raining for 9.6 days, with typically 2.17" (55mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 2.3 days. Throughout December, 1.69" (43mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

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?

The month with the least sunshine in Culpeper is December, with an average of 5.2h of sunshine.

How long on average sun shines in December?

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

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Culpeper, Virginia, USA

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