December weather forecast
Cedar Grove, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Cedar Grove, West Virginia, with an average temperature varying between 31.5°F (-0.3°C) and 43.5°F (6.4°C).

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from a fresh 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). During December, the average low-temperature is a freezing cold 31.5°F (-0.3°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Cedar Grove, in December, during 14.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 193.3 rainfall days, and 35.98" (914mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 8.7 days. Throughout December, 4.17" (106mm) of snow is accumulated. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:24 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:15 pm EST.

Sunshine

In Cedar Grove, the average sunshine in December is 4.3h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature, in December, in Cedar Grove, records 43.5°F (6.4°C), while the low-temperature is 31.5°F (-0.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Cedar Grove, in December, during 14.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Cedar Grove, in December, during 8.7 snowfall days, 4.17" (106mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:15 pm EST.

How many hours of sunshine does Cedar Grove have in December?

In Cedar Grove, the average sunshine duration in December is 4.3h.

What are the months 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 reading in December?

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

Average temperature in December - Cedar Grove, WV
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Cedar Grove, WV

Average pressure in December - Cedar Grove, WV
  • 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 (29.98"Hg).

Average wind speed in December
Cedar Grove, WV

Average wind speed in December - Cedar Grove, WV
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Cedar Grove, WV

Average humidity in December - Cedar Grove, WV
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in December
Cedar Grove, WV

Average rainfall in December - Cedar Grove, WV
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Cedar Grove, WV

Average rainfall days in December - Cedar Grove, WV
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).

Average snowfall in December
Cedar Grove, WV

Average snowfall in December - Cedar Grove, WV
  • Average snowfall in December: 4.17"

The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cedar Grove, WV

Average snowfall days in December - Cedar Grove, WV
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cedar Grove, WV

Average daylight in December / Average sunshine in December - Cedar Grove, WV
  • 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: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Cedar Grove, WV

Average sunshine days in December - Cedar Grove, WV
  • Average sunshine days in December: 10.3 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in December
Cedar Grove, WV

Average UV index in December - Cedar Grove, WV
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Cedar Grove, WV

Average cloud cover in December - Cedar Grove, WV
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Cedar Grove, WV

Average visibility in December - Cedar Grove, WV
  • Average visibility in December: 5mi

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).

Cedar Grove, West Virginia, USA

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