December weather forecast
Speed, West VA

Weather in December

December, the first month of the winter in Speed, is also a frosty month, with an average temperature ranging between max 43.2°F (6.2°C) and min 31.6°F (-0.2°C).

Temperature

In December, the average high-temperature drops from a fresh 52.3°F (11.3°C) in November to a frosty 43.2°F (6.2°C). In Speed, West Virginia, the average low-temperature is 31.6°F (-0.2°C).

Humidity

The average relative humidity in December in Speed is 81%.

Rainfall

In Speed, it is raining for 13.6 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 186.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Speed, West Virginia. In Speed, West Virginia, during December, snow falls for 10.1 days and regularly aggregates up to 3.86" (98mm) of snow. In Speed, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 31min of daylight.
On the first day of December in Speed, West Virginia, sunrise is at 7:24 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:13 pm EST.

Sunshine

In Speed, the average sunshine in December is 4h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Speed. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Speed?

In December, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 31.6°F (-0.2°C). in August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in December in Speed?

The average relative humidity in December in Speed, West Virginia, is 81%.

How much does it rain in Speed in December?

In Speed, during December, the rain falls for 13.6 days and regularly aggregates up to 3.27" (83mm) of precipitation.

How much does it snow in Speed in December?

In Speed, West Virginia, during December, snow falls for 10.1 days and regularly aggregates up to 3.86" (98mm) of snow.

What is the month with the shortest days in Speed?

With an average of 9h and 31min of daylight, December has the shortest days of the year in Speed, West Virginia.

What is the average length of the day in December in Speed?

In Speed, the average day length in December is 9h and 31min.

When is the sunrise / sunset in December in Speed?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:04 pm. On the last day of the month, in Speed, sunrise is at 7:43 am and sunset at 5:13 pm EST.

How many hours of sunshine does Speed have in December?

In December, the average sunshine duration is 4h.

When is the lowest UV index in Speed?

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

How high is the UV index in December in Speed?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Speed, West VA

Average temperature in December - Speed, West VA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 31.6°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Speed, West VA

Average pressure in December - Speed, West 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).

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Average wind speed in December
Speed, West VA

Average wind speed in December - Speed, West VA
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in December
Speed, West VA

Average humidity in December - Speed, West VA
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).

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Average rainfall in December
Speed, West VA

Average rainfall in December - Speed, West VA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Speed, West VA

Average rainfall days in December - Speed, West VA
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in December
Speed, West VA

Average snowfall in December - Speed, West VA
  • Average snowfall in December: 3.86"

The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Speed, West VA

Average snowfall days in December - Speed, West VA
  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (14 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
Speed, West VA

Average daylight in December / Average sunshine in December - Speed, West VA
  • Average daylight in December: 9h and 31min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in December
Speed, West VA

Average sunshine days in December - Speed, West VA
  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).

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Average UV index in December
Speed, West VA

Average UV index in December - Speed, West VA
  • 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).

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Average cloud cover in December
Speed, West VA

Average cloud cover in December - Speed, West VA
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Speed, West VA

Average visibility in December - Speed, West VA
  • 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).

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