December weather forecastCoaldale, WV
December
Weather in December
December, the first month of the winter in Coaldale, is also a frosty month, with an average temperature varying between 43.5°F (6.4°C) and 30.2°F (-1°C).Temperature
Coaldale's progression into December involves a gentle drop in the average high-temperature, from a cool 51.3°F (10.7°C) in November to a chilly 43.5°F (6.4°C). Nighttime temperatures hover around an average low of 30.2°F (-1°C) in December.Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Coaldale, during the entire year, the rain falls for 174.7 days and collects up to 29.96" (761mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Coaldale is December, when snow falls for 9.5 days and typically aggregates up to 6.18" (157mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:17 pm EST.
Sunshine
In December, the average sunshine in Coaldale is 4.9h.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 exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coaldale, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Coaldale, 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 (29.99"Hg).
Average wind speed in December
Coaldale, WV
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Coaldale, WV
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in December
Coaldale, WV
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Coaldale, WV
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).
Average snowfall in December
Coaldale, WV
- Average snowfall in December: 6.18"
The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Coaldale, WV
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coaldale, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Coaldale, WV
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).
Average UV index in December
Coaldale, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Coaldale, WV
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Coaldale, WV
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





