December weather forecast
Coaldale, WV

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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.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, in Coaldale, the average high-temperature is 43.5°F (6.4°C), and the average low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December?

In Coaldale, in December, during 11.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 9.5 days and typically aggregates up to 6.18" (157mm) of snow.

How much does it snow in December?

In December, in Coaldale, it is snowing for 9.5 days. Throughout December, 6.18" (157mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

In Coaldale, the average day length in December is 9h and 38min.

When is the sunrise / sunset in December?

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.

How many hours of sunshine does Coaldale have in December?

In December, the average sunshine duration in Coaldale is 4.9h.

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.

What is the UV index intensity in December?

In Coaldale, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Coaldale, WV

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Coaldale, 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 5min

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 - 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 - 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 - 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 - 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).

Coaldale, West Virginia, USA

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