December weather forecast
Arnett, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Arnett, West Virginia, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 31.1°F (-0.5°C).

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a cool 51.8°F (11°C) in November to a chilly 43.5°F (6.4°C). Throughout the nights in December, an average low-temperature of 31.1°F (-0.5°C) is noted in Arnett.

Humidity

In December, the average relative humidity in Arnett is 81%.

Rainfall

In Arnett, in December, it is raining for 9.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Arnett, during the entire year, the rain falls for 135.9 days and collects up to 16.46" (418mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Arnett, in December, snow falls for 5.4 days, with typically accumulated 2.05" (52mm) of snow. Throughout the year, there are 30.3 snowfall days, and 8.66" (220mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Arnett, sunrise is at 7:23 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:16 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

How cold is December?

The high-temperature during December is 43.5°F (6.4°C) and the low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In Arnett, during December, the rain falls for 9.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How much does it snow in December?

In Arnett, in December, during 5.4 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Arnett have in December?

The average day length in December is 9h and 36min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:23 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:16 pm EST.

How many hours of sunshine does Arnett have in December?

The average sunshine duration in December is 4.5h.

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.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Arnett, WV

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 31.1°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 (24.4°F).

Average pressure in December
Arnett, WV

Average pressure in December - Arnett, 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
Arnett, WV

Average wind speed in December - Arnett, WV
  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Arnett, WV

Average humidity in December - Arnett, WV
  • Average humidity in December: 81%

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

Average rainfall in December
Arnett, WV

Average rainfall in December - Arnett, WV
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in December
Arnett, WV

Average rainfall days in December - Arnett, WV
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in December
Arnett, WV

Average snowfall in December - Arnett, WV
  • Average snowfall in December: 2.05"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Arnett, WV

Average snowfall days in December - Arnett, WV
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Arnett, WV
  • Average daylight in December: 9h and 4min

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

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Arnett, WV

Average sunshine days in December - Arnett, WV
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Arnett, WV

Average UV index in December - Arnett, WV
  • 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
Arnett, WV

Average cloud cover in December - Arnett, WV
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Arnett, WV

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

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

Arnett, West Virginia, USA

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