December weather forecast
Princeton, West VA

Weather in December

December, the first month of the winter in Princeton, is also a frosty month, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 30.2°F (-1°C).

Temperature

In Princeton, the average high-temperature in December slightly decreases from a cool 51.3°F (10.7°C) in November to a chilly 43.5°F (6.4°C). In December, in Princeton, the average low-temperature is 30.2°F (-1°C).

Humidity

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

Rainfall

In Princeton, during December, the rain falls for 11.6 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Princeton, during the entire year, the rain falls for 174.7 days and collects up to 29.96" (761mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Princeton is December, when snow falls for 9.5 days and typically aggregates up to 6.18" (157mm) of snow.

Daylight

With an average of 9h and 38min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:06 pm. On the last day of December, in Princeton, sunrise is at 7:38 am and sunset at 5:16 pm EST.

Sunshine

In December, the average sunshine in Princeton is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Princeton. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Princeton?

In Princeton, West Virginia, the average relative humidity in December is 80%.

How much does it rain in Princeton in December?

In Princeton, West Virginia, during December, the rain falls for 11.6 days and regularly aggregates up to 2.83" (72mm) of precipitation.

What is the snowiest month in Princeton?

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

How many days does it snow in December in Princeton?

In Princeton, West Virginia, in December, during 9.5 snowfall days, 6.18" (157mm) of snow is typically accumulated.

What is the month with the shortest days in Princeton?

With an average of 9h and 38min of daylight, December has the shortest days of the year in Princeton.

What is the average length of the day in December in Princeton?

The average day length in December in Princeton, West Virginia, is 9h and 38min.

What time are sunrise and sunset in December in Princeton?

On the first day of December, sunrise is at 7:20 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:16 pm EST.

How many hours of sunshine does Princeton have in December?

The average sunshine duration in December in Princeton, West Virginia, is 4.9h.

What are the months with the lowest UV index in Princeton?

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 Princeton?

In December, the average daily maximum UV index in Princeton is 2. A UV Index estimate 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Princeton, West VA

Average temperature in December - Princeton, West VA
  • 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).

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Average pressure in December
Princeton, West VA

Average pressure in December - Princeton, West VA
  • 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).

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Average wind speed in December
Princeton, West VA

Average wind speed in December - Princeton, West VA
  • 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).

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Average humidity in December
Princeton, West VA

Average humidity in December - Princeton, West VA
  • 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%).

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Average rainfall in December
Princeton, West VA

Average rainfall in December - Princeton, West VA
  • 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").

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Average rainfall days in December
Princeton, West VA

Average rainfall days in December - Princeton, West VA
  • 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).

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Average snowfall in December
Princeton, West VA

Average snowfall in December - Princeton, West VA
  • 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").

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Average snowfall days in December
Princeton, West VA

Average snowfall days in December - Princeton, West VA
  • 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).

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Average daylight in December /
Average sunshine in December
Princeton, West VA

Average daylight in December / Average sunshine in December - Princeton, West VA
  • Average daylight in December: 9h and 38min

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 38min).

  • 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).

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Average sunshine days in December
Princeton, West VA

Average sunshine days in December - Princeton, West VA
  • 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).

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Average UV index in December
Princeton, West VA

Average UV index in December - Princeton, West VA
  • 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).

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Average cloud cover in December
Princeton, West VA

Average cloud cover in December - Princeton, West VA
  • 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).

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Average visibility in December
Princeton, West VA

Average visibility in December - Princeton, West VA
  • 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).

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