December weather forecast
Cornelia, WV

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Weather in December

The first month of the winter, December, is also an icy month in Cornelia, West Virginia, with an average temperature ranging between min 30°F (-1.1°C) and max 41.9°F (5.5°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a cool 50.2°F (10.1°C) in November to an icy 41.9°F (5.5°C). In December, the average low-temperature records at a subzero cold 30°F (-1.1°C) during the nights.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Cornelia, during December, the rain falls for 14.5 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, in Cornelia, there are 190.3 rainfall days, and 36.93" (938mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Cornelia, in December, snow falls for 12.2 days, with typically accumulated 7.72" (196mm) of snow. In Cornelia, during the entire year, snow falls for 60.4 days and aggregates up to 38.62" (981mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December in Cornelia, West Virginia, sunrise is at 7:22 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:13 pm EST.

Sunshine

In Cornelia, the average sunshine in December is 4.3h.

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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

Is December cold in Cornelia?

The average high-temperature and low-temperature during December are 41.9°F (5.5°C) and 30°F (-1.1°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Cornelia?

In December, the average relative humidity in Cornelia is 82%.

How many days does it rain in December in Cornelia?

In Cornelia, in December, it is raining for 14.5 days, with typically 3.58" (91mm) of accumulated precipitation.

How much does it snow in Cornelia in December?

In Cornelia, West Virginia, in December, snow falls for 12.2 days, with typically accumulated 7.72" (196mm) of snow.

What is the month with the shortest days in Cornelia?

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

How many hours of daylight does Cornelia have in December?

In December, the average day length is 9h and 33min.

When is the sunrise / sunset in December in Cornelia?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:13 pm EST.

How many hours of sunshine does Cornelia have in December?

In December, the average sunshine duration is 4.3h.

What is the month with the lowest UV index in Cornelia?

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

What is the UV index reading in December in Cornelia?

In Cornelia, West Virginia, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Cornelia, WV

Average temperature in December - Cornelia, WV
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in December
Cornelia, WV

Average pressure in December - Cornelia, 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).

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Average wind speed in December
Cornelia, WV

Average wind speed in December - Cornelia, WV
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Cornelia, WV

Average humidity in December - Cornelia, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

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Average rainfall in December
Cornelia, WV

Average rainfall in December - Cornelia, WV
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Cornelia, WV

Average rainfall days in December - Cornelia, WV
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

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Average snowfall in December
Cornelia, WV

Average snowfall in December - Cornelia, WV
  • Average snowfall in December: 7.72"

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Cornelia, WV

Average snowfall days in December - Cornelia, WV
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Cornelia, WV

Average daylight in December / Average sunshine in December - Cornelia, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Cornelia, WV

Average sunshine days in December - Cornelia, WV
  • Average sunshine days in December: 8.6 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

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Average UV index in December
Cornelia, WV

Average UV index in December - Cornelia, WV
  • Average UV index in December: 2

The month with the highest UV index is June (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
Cornelia, WV

Average cloud cover in December - Cornelia, WV
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Cornelia, WV

Average visibility in December - Cornelia, WV
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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Cornelia, West Virginia, USA

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