December weather forecast
Four States, WV

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Weather in December

The first month of the winter, December, is also a wintry month in Four States, West Virginia, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 29.3°F (-1.5°C).

Temperature

December is characterized by a reduction in the average high-temperature, from a cool 50.5°F (10.3°C) in November to a cold 41.5°F (5.3°C). Four States experiences a mean temperature of 29.3°F (-1.5°C) during December nights.

Humidity

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

Rainfall

In Four States, in December, during 13.1 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Four States, during the entire year, the rain falls for 188.6 days and collects up to 39.17" (995mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Four States, during December, snow falls for 10.7 days and regularly aggregates up to 4.29" (109mm) of snow. In Four States, during the entire year, snow falls for 52.1 days and aggregates up to 24.21" (615mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm EST.

Sunshine

The average sunshine in December is 3.5h.

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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold is it in December?

The high-temperature during December is 41.5°F (5.3°C) and the low-temperature is 29.3°F (-1.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 87.8°F (31°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Four States, during December, the rain falls for 13.1 days and regularly aggregates up to 3.35" (85mm) of precipitation.

How much does it snow in December?

In Four States, in December, during 10.7 snowfall days, 4.29" (109mm) of snow is typically accumulated.

What is the month with the shortest days in Four States?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Four States have in December?

In December, the average day length is 9h and 26min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:23 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm EST.

How long on average sun shines in December in Four States?

In December, the average sunshine duration is 3.5h.

What is the month 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?

In December, the average daily maximum UV index in Four States is 2. A UV Index reading of 2, and below, represents 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
Four States, WV

Average temperature in December - Four States, WV
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Four States, WV

Average pressure in December - Four States, WV
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Four States, WV

Average wind speed in December - Four States, WV
  • Average wind speed in December: 6.3mph

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 (4.2mph).

Average humidity in December
Four States, WV

Average humidity in December - Four States, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in December
Four States, WV

Average rainfall in December - Four States, WV
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Four States, WV

Average rainfall days in December - Four States, WV
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in December
Four States, WV

Average snowfall in December - Four States, WV
  • Average snowfall in December: 4.29"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Four States, WV

Average snowfall days in December - Four States, WV
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Four States, WV

Average daylight in December / Average sunshine in December - Four States, WV
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Four States, WV

Average sunshine days in December - Four States, WV
  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

Average UV index in December
Four States, WV

Average UV index in December - Four States, WV
  • Average UV index in December: 2

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

Average cloud cover in December
Four States, WV

Average cloud cover in December - Four States, WV
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Four States, WV

Average visibility in December - Four States, 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).

Four States, West Virginia, USA

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