December weather forecast
Delbarton, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Delbarton, West Virginia, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.1°F (7.3°C).

Temperature

The arrival of December signals a subtle shift in temperature, down from a cool 54°F (12.2°C) in November to a frosty 45.1°F (7.3°C). In December, Delbarton encounters an average low-temperature of 33.1°F (0.6°C) during the night.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. In Delbarton, during the entire year, the rain falls for 163.6 days and collects up to 30.43" (773mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Delbarton, in December, during 6 snowfall days, 3.9" (99mm) of snow is typically accumulated. Throughout the year, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Delbarton, West Virginia, with an average of 9h and 36min of daylight.
On the first day of December in Delbarton, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:20 pm EST.

Sunshine

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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, the average high-temperature and low-temperature are 45.1°F (7.3°C) and 33.1°F (0.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 93.2°F (34°C).

What is the average humidity in December in Delbarton?

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

How much does it rain in December?

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

How many days does it snow in December?

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

What is the month with the shortest days?

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

What is the average length of the day in December?

In Delbarton, the average day length in December is 9h and 37min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:20 pm EST.

How many hours of sunshine does Delbarton have in December?

The average sunshine duration in December is 4.5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Delbarton, WV

Average temperature in December - Delbarton, 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
Delbarton, WV

Average pressure in December - Delbarton, 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
Delbarton, WV

Average wind speed in December - Delbarton, 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
Delbarton, WV

Average humidity in December - Delbarton, 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
Delbarton, WV

Average rainfall in December - Delbarton, 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
Delbarton, WV

Average rainfall days in December - Delbarton, 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
Delbarton, WV

Average snowfall in December - Delbarton, 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
Delbarton, WV

Average snowfall days in December - Delbarton, 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
Delbarton, WV

Average daylight in December / Average sunshine in December - Delbarton, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Delbarton, WV

Average sunshine days in December - Delbarton, 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
Delbarton, WV

Average UV index in December - Delbarton, 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
Delbarton, WV

Average cloud cover in December - Delbarton, 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
Delbarton, WV

Average visibility in December - Delbarton, 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).

Delbarton, West Virginia, USA

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