December weather forecast
Millstone, West VA

Weather in December

The first month of the winter, December, is also a frosty month in Millstone, West Virginia, with an average temperature fluctuating between 43.2°F (6.2°C) and 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). The average low-temperature, in Millstone, West Virginia, is 31.6°F (-0.2°C).

Humidity

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

Rainfall

In Millstone, during 13.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Millstone, during the entire year, the rain falls for 186.1 days and collects up to 36.3" (922mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Millstone, during December, snow falls for 10.1 days and regularly aggregates up to 3.86" (98mm) of snow. Throughout the year, in Millstone, there are 46.8 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Millstone.
On the first day of December, sunrise is at 7:23 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:12 pm EST.

Sunshine

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

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 minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Millstone?

The average high-temperature, in December, in Millstone, West Virginia, is 43.2°F (6.2°C), while the average low-temperature is 31.6°F (-0.2°C). in August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What is the average humidity in December in Millstone?

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

How many days does it rain in December in Millstone?

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

How many days does it snow in December in Millstone?

In December, in Millstone, it is snowing for 10.1 days. Throughout December, 3.86" (98mm) of snow is accumulated.

What is the month with the shortest days in Millstone?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

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

In Millstone, the average day length in December is 9h and 30min.

When is the sunrise / sunset in December in Millstone?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:03 pm. On the last day of the month, in Millstone, West Virginia, sunrise is at 7:42 am and sunset at 5:12 pm EST.

How long on average sun shines in December in Millstone?

The average sunshine duration in December in Millstone is 4h.

When is the lowest UV index in Millstone?

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

What is the UV index reading in December in Millstone?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Millstone, West VA

Average temperature in December - Millstone, 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
Millstone, West VA

Average pressure in December - Millstone, 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
Millstone, West VA

Average wind speed in December - Millstone, 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
Millstone, West VA

Average humidity in December - Millstone, 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
Millstone, West VA

Average rainfall in December - Millstone, 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
Millstone, West VA

Average rainfall days in December - Millstone, 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
Millstone, West VA

Average snowfall in December - Millstone, 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
Millstone, West VA

Average snowfall days in December - Millstone, 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
Millstone, West VA

Average daylight in December / Average sunshine in December - Millstone, West VA
  • Average daylight in December: 9h and 30min

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 30min).

  • 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
Millstone, West VA

Average sunshine days in December - Millstone, 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
Millstone, West VA

Average UV index in December - Millstone, 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
Millstone, West VA

Average cloud cover in December - Millstone, 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
Millstone, West VA

Average visibility in December - Millstone, 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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