December weather forecast
Dartmont, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Dartmont, West Virginia, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 43.7°F (6.5°C).

Temperature

The arrival of December corresponds with a shift in temperature, down from a cool 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). Throughout the month of December, Dartmont expects an average low of 31.8°F (-0.1°C).

Humidity

In Dartmont, the average relative humidity in December is 81%.

Rainfall

In Dartmont, during December, the rain falls for 12 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Dartmont, during the entire year, the rain falls for 175.4 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 5.9 days. Throughout December, 2.56" (65mm) of snow is accumulated. Throughout the year, there are 33.1 snowfall days, and 14.65" (372mm) of snow is accumulated.

Daylight

The month with the shortest days in Dartmont is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:17 pm EST.

Sunshine

In Dartmont, the average sunshine in December is 4.1h.

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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

The high-temperature, in December, in Dartmont, records 43.7°F (6.5°C), while the low-temperature is 31.8°F (-0.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 93.2°F (34°C).

What is the average humidity in December?

In Dartmont, the average relative humidity in December is 81%.

How much does it rain in December?

In Dartmont, in December, during 12 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 5.9 days. Throughout December, 2.56" (65mm) 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?

The average day length in December in Dartmont is 9h and 34min.

When are sunrise and sunset in December in Dartmont?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:17 pm EST.

How many hours of sunshine does Dartmont have in December?

In Dartmont, the average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in December in Dartmont?

In Dartmont, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from 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
Dartmont, WV

Average temperature in December - Dartmont, WV
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Dartmont, WV

Average pressure in December - Dartmont, 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
Dartmont, WV

Average wind speed in December - Dartmont, WV
  • Average wind speed in December: 6.1mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Dartmont, WV

Average humidity in December - Dartmont, WV
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

Average rainfall in December
Dartmont, WV

Average rainfall in December - Dartmont, WV
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Dartmont, WV

Average rainfall days in December - Dartmont, WV
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Dartmont, WV

Average snowfall in December - Dartmont, WV
  • Average snowfall in December: 2.56"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Dartmont, WV

Average snowfall days in December - Dartmont, WV
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Dartmont, WV
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Dartmont, WV

Average sunshine days in December - Dartmont, WV
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in December
Dartmont, WV

Average UV index in December - Dartmont, WV
  • Average UV index in December: 2

The months with the highest UV index are May, 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
Dartmont, WV

Average cloud cover in December - Dartmont, WV
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Dartmont, WV

Average visibility in December - Dartmont, 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).

Dartmont, West Virginia, USA

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