Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Coal Mountain's weather subtly changes with the onset of December, barely falling from a cool 51.8°F (11°C) in November to a chilly 43.5°F (6.4°C). Coal Mountain's temperature in December lowers to a consistent average of 31.1°F (-0.5°C) during the nights.Humidity
The average relative humidity in December is 81%.Rainfall
In Coal Mountain, during December, the rain falls for 9.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Coal Mountain, during the entire year, the rain falls for 135.9 days and collects up to 16.46" (418mm) of precipitation.Snowfall
Months with snowfall in Coal Mountain are January through May, October through December. In Coal Mountain, West Virginia, in December, during 5.4 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, there are 30.3 snowfall days, and 8.66" (220mm) of snow is accumulated.Daylight
December has the shortest days of the year in Coal Mountain, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:08 pm. On the last day of December, in Coal Mountain, sunrise is at 7:41 am and sunset at 5:18 pm EST.
Sunshine
In Coal Mountain, West Virginia, the average sunshine in December is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coal Mountain. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold does it get in Coal Mountain in December?
What is the average humidity in December in Coal Mountain?
How much does it rain in Coal Mountain in December?
How many days does it snow in December in Coal Mountain?
What is the month with the shortest days in Coal Mountain?
How many hours of daylight does Coal Mountain have in December?
When are sunrise and sunset in December in Coal Mountain?
How many hours of sunshine does Coal Mountain have in December?
When is the lowest UV index in Coal Mountain?
What is the UV index reading in December in Coal Mountain?
Average temperature in December
Coal Mountain, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Coal Mountain, 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
Coal Mountain, WV
- Average wind speed in December: 6.4mph
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
Coal Mountain, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in December
Coal Mountain, WV
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Coal Mountain, WV
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Coal Mountain, WV
- Average snowfall in December: 2.05"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Coal Mountain, WV
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coal Mountain, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Coal Mountain, WV
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in December
Coal Mountain, 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, November and December (UV index 2).
Average cloud cover in December
Coal Mountain, 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 35).
Average visibility in December
Coal Mountain, 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).
Coal Mountain, West Virginia, USA
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