December weather forecast
Keeling, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Keeling, Virginia, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 49.8°F (9.9°C).

Temperature

Keeling observes a small decrease in the average high-temperature with the arrival of December, falling from November's mild 57.4°F (14.1°C) to a chilly 49.8°F (9.9°C). In Keeling, the average low-temperature during the month of December is an icy 35.4°F (1.9°C).

Humidity

With an average relative humidity of 76%, December is the most humid month.

Rainfall

In Keeling, in December, it is raining for 10.3 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 154.5 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Keeling, Virginia. The months with the most snowfall are January and December, with an average 2.17" (55mm) of accumulated snow.

Daylight

The month with the shortest days in Keeling is December, with an average of 9h and 42min of daylight.
On the first day of December in Keeling, sunrise is at 7:11 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:11 pm EST.

Sunshine

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Keeling experiences an average high-temperature of 49.8°F (9.9°C) and a low-temperature of 35.4°F (1.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 86°F (30°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 76%.

What is the average humidity in December in Keeling?

In Keeling, the average relative humidity in December is 76%.

How many days does it rain in December?

In Keeling, in December, it is raining for 10.3 days, with typically 2.87" (73mm) of accumulated precipitation.

When does it snow the most?

The months with the most snowfall are January and December, with an average 2.17" (55mm) of accumulated snow.

How many days does it snow in December?

In Keeling, in December, snow falls for 1.3 days, with typically accumulated 2.17" (55mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Keeling have in December?

The average day length in December in Keeling is 9h and 42min.

When is the sunrise / sunset in December?

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

What are the months with the least sunshine?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Keeling.

How long on average sun shines in December?

The average sunshine duration in December is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Keeling, VA

Average temperature in December - Keeling, VA
  • Average high temperature in December: 49.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Keeling, VA

Average pressure in December - Keeling, 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 (29.97"Hg).

Average wind speed in December
Keeling, VA

Average wind speed in December - Keeling, VA
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Keeling, VA

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

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Keeling, VA

Average rainfall in December - Keeling, VA
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Keeling, VA

Average rainfall days in December - Keeling, VA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in December
Keeling, VA

Average snowfall in December - Keeling, VA
  • Average snowfall in December: 2.17"

The months with the highest snowfall are January and December (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Keeling, VA

Average snowfall days in December - Keeling, VA
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (3.2 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
Keeling, VA

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Keeling, VA

Average sunshine days in December - Keeling, VA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (12.4 days).

Average UV index in December
Keeling, VA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Keeling, VA

Average cloud cover in December - Keeling, VA
  • Average cloud cover in December: 40

The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Keeling, VA

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

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

Keeling, Virginia, USA

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