December weather forecast
Falls Mill, WV

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Weather in December

The first month of the winter, December, is still a cold month in Falls Mill, West Virginia, with an average temperature fluctuating between 30.6°F (-0.8°C) and 42.3°F (5.7°C).

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a cool 51.1°F (10.6°C) in November to a wintry 42.3°F (5.7°C). Falls Mill experiences an average nighttime temperature of 30.6°F (-0.8°C) in the month of December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Falls Mill, during December, the rain falls for 14.1 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 195.1 rainfall days, and 38.98" (990mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Falls Mill, in December, snow falls for 12 days, with typically accumulated 6.46" (164mm) of snow. Throughout the year, in Falls Mill, there are 58.6 snowfall days, and 34.25" (870mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

Is December cold in Falls Mill?

In December, in Falls Mill, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 30.6°F (-0.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Falls Mill, West Virginia, during December, the rain falls for 14.1 days and regularly aggregates up to 3.5" (89mm) of precipitation.

How many days does it snow in December?

In Falls Mill, West Virginia, in December, snow falls for 12 days, with typically accumulated 6.46" (164mm) of snow.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Falls Mill have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:10 pm EST.

How many hours of sunshine does Falls Mill have in December?

The average sunshine duration in December in Falls Mill is 4.1h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Falls Mill, WV

Average temperature in December - Falls Mill, WV
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Falls Mill, WV

Average pressure in December - Falls Mill, WV
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Falls Mill, WV

Average wind speed in December - Falls Mill, WV
  • Average wind speed in December: 6.5mph

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
Falls Mill, WV

Average humidity in December - Falls Mill, WV
  • Average humidity in December: 81%

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

Average rainfall in December
Falls Mill, WV

Average rainfall in December - Falls Mill, WV
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Falls Mill, WV

Average rainfall days in December - Falls Mill, WV
  • Average rainfall days in December: 14.1 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).

Average snowfall in December
Falls Mill, WV

Average snowfall in December - Falls Mill, WV
  • Average snowfall in December: 6.46"

The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Falls Mill, WV

Average snowfall days in December - Falls Mill, WV
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Falls Mill, WV

Average daylight in December / Average sunshine in December - Falls Mill, WV
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

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 42min).

Average sunshine days in December
Falls Mill, WV

Average sunshine days in December - Falls Mill, WV
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).

Average UV index in December
Falls Mill, WV

Average UV index in December - Falls Mill, WV
  • Average UV index in December: 2

The months with the highest UV index are 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
Falls Mill, WV

Average cloud cover in December - Falls Mill, WV
  • Average cloud cover in December: 58

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

Average visibility in December
Falls Mill, WV

Average visibility in December - Falls Mill, WV
  • 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).

Falls Mill, West Virginia, USA

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