December weather forecast
Pennsboro, WV

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Weather in December

The first month of the winter, December, is also an icy month in Pennsboro, West Virginia, with an average temperature varying between 30.7°F (-0.7°C) and 42.3°F (5.7°C).

Temperature

A decrease in the average high-temperature is observed during December, shifting from a cool 51.4°F (10.8°C) in November to a cold 42.3°F (5.7°C). In Pennsboro, the average nighttime temperature during December is a subzero cold 30.7°F (-0.7°C).

Humidity

In Pennsboro, the average relative humidity in December is 82%.

Rainfall

In Pennsboro, West Virginia, during December, the rain falls for 12.8 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 187.2 rainfall days, and 37.13" (943mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Pennsboro, in December, during 11.1 snowfall days, 4.02" (102mm) of snow is typically accumulated. In Pennsboro, West Virginia, during the entire year, snow falls for 51.4 days and aggregates up to 21.81" (554mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:10 pm EST.

Sunshine

In Pennsboro, the average sunshine in December is 3.8h.

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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Pennsboro, is 42.3°F (5.7°C), while the low-temperature averages to 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 82%.

How much does it rain in December?

In Pennsboro, West Virginia, in December, during 12.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Pennsboro, in December, during 11.1 snowfall days, 4.02" (102mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 28min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:25 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:10 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Pennsboro, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Pennsboro, WV

Average temperature in December - Pennsboro, WV
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Pennsboro, WV

Average pressure in December - Pennsboro, WV
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Pennsboro, WV

Average wind speed in December - Pennsboro, WV
  • Average wind speed in December: 6mph

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
Pennsboro, WV

Average humidity in December - Pennsboro, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in December
Pennsboro, WV

Average rainfall in December - Pennsboro, WV
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in December
Pennsboro, WV

Average rainfall days in December - Pennsboro, WV
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in December
Pennsboro, WV

Average snowfall in December - Pennsboro, WV
  • Average snowfall in December: 4.02"

The month with the highest snowfall is January (5.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Pennsboro, WV

Average snowfall days in December - Pennsboro, WV
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Pennsboro, WV
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Pennsboro, WV

Average sunshine days in December - Pennsboro, WV
  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.2 days).

Average UV index in December
Pennsboro, WV

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

The months with the highest UV index are 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
Pennsboro, WV

Average cloud cover in December - Pennsboro, WV
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Pennsboro, WV

Average visibility in December - Pennsboro, WV
  • Average visibility in December: 5mi

The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).

Pennsboro, West Virginia, USA

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