December weather forecast
Mallory, WV

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Weather in December

December, the first month of the winter in Mallory, is also a frosty month, with an average temperature varying between 45°F (7.2°C) and 32.7°F (0.4°C).

Temperature

Mallory's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 53.2°F (11.8°C) to a chilly 45°F (7.2°C). In December, Mallory encounters an average low-temperature of 32.7°F (0.4°C) during the night.

Humidity

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

Rainfall

In Mallory, in December, it is raining for 13.7 days, with typically 3.23" (82mm) of accumulated precipitation. In Mallory, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Mallory, during December, snow falls for 7.6 days and regularly aggregates up to 3.58" (91mm) of snow. In Mallory, during the entire year, snow falls for 38.9 days and aggregates up to 17.48" (444mm) 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, sunrise is at 7:24 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in December in Mallory, West Virginia, is 4.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mallory, West Virginia. A UV Index of 2, and less, symbolizes 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 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are December temperatures in Mallory?

The average high-temperature and low-temperature in Mallory, West Virginia, during December are 45°F (7.2°C) and 32.7°F (0.4°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 95°F (35°C).

What is the average humidity in December in Mallory?

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

How much does it rain in Mallory in December?

In Mallory, West Virginia, in December, it is raining for 13.7 days, with typically 3.23" (82mm) of accumulated precipitation.

How many days does it snow in December in Mallory?

In Mallory, West Virginia, in December, snow falls for 7.6 days, with typically accumulated 3.58" (91mm) of snow.

What is the month with the shortest days in Mallory?

The month with the shortest days in Mallory is December, with an average of 9h and 36min of daylight.

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

In Mallory, the average day length in December is 9h and 37min.

When is the sunrise / sunset in December in Mallory?

On the first day of December, sunrise is at 7:24 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:18 pm EST.

How many hours of sunshine does Mallory have in December?

In Mallory, West Virginia, the average sunshine duration in December is 4.3h.

What are the months with the lowest UV index in Mallory?

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

How high is the UV index in December in Mallory?

In Mallory, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Mallory, WV

Average temperature in December - Mallory, WV
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in December
Mallory, WV

Average pressure in December - Mallory, 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
Mallory, WV

Average wind speed in December - Mallory, WV
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in December
Mallory, WV

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).

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Average rainfall in December
Mallory, WV

Average rainfall in December - Mallory, WV
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Mallory, WV

Average rainfall days in December - Mallory, WV
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in December
Mallory, WV

Average snowfall in December - Mallory, WV
  • Average snowfall in December: 3.58"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Mallory, WV

Average snowfall days in December - Mallory, WV
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (11.6 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
Mallory, WV

Average daylight in December / Average sunshine in December - Mallory, 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 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
Mallory, WV

Average sunshine days in December - Mallory, WV
  • Average sunshine days in December: 11.5 days

The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in December
Mallory, WV

Average UV index in December - Mallory, 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 and December (UV index 2).

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Average cloud cover in December
Mallory, WV

Average cloud cover in December - Mallory, 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 33).

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Average visibility in December
Mallory, WV

Average visibility in December - Mallory, 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).

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Mallory, West Virginia, USA

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