December weather forecastStonecoal, WV

December

Weather in December

December, the first month of the winter in Stonecoal, is still a chilly month, with an average temperature fluctuating between 33.1°F (0.6°C) and 45.1°F (7.3°C).

Temperature

During the shift to December, Stonecoal records a mild decrease in average high-temperature, moving from a fresh 54°F (12.2°C) in November to a chilly 45.1°F (7.3°C). Stonecoal, during December nights, observes an average temperature of 33.1°F (0.6°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Stonecoal, in December, it is raining for 11 days, with typically 2.91" (74mm) of accumulated precipitation. In Stonecoal, West Virginia, during the entire year, the rain falls for 163.6 days and collects up to 30.43" (773mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 6 days. Throughout December, 3.9" (99mm) of snow is accumulated. Throughout the year, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

The month with the shortest days in Stonecoal is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:27 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:20 pm EST.

Sunshine

In Stonecoal, the average sunshine in December is 4.5h.

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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

In December, in Stonecoal, the average high-temperature is 45.1°F (7.3°C), and the average low-temperature is 33.1°F (0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

In Stonecoal, the average relative humidity in December is 80%.

In Stonecoal, during December, the rain falls for 11 days and regularly aggregates up to 2.91" (74mm) of precipitation.

In Stonecoal, in December, during 6 snowfall days, 3.9" (99mm) of snow is typically accumulated.

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

The average day length in December is 9h and 35min.

On the first day of December, sunrise is at 7:27 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:20 pm EST.

In Stonecoal, the average sunshine duration in December is 4.5h.

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

In Stonecoal, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stonecoal, WV

  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Stonecoal, 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).

Average wind speed in December
Stonecoal, WV

  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Stonecoal, WV

  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

Average rainfall in December
Stonecoal, WV

  • Average rainfall in December: 2.91"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
Stonecoal, WV

  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Stonecoal, WV

  • Average snowfall in December: 3.9"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Stonecoal, WV

  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Stonecoal, WV

  • Average daylight in December: 9h and 36min

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 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Stonecoal, WV

  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
Stonecoal, WV

  • Average UV index in December: 2

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Stonecoal, WV

  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Stonecoal, 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).