Parkersburg
West Virginia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Parkersburg, West VA

December, the first month of the winter, in Parkersburg, is still a cold month, with average temperature fluctuating between 30.7°F (-0.7°C) and 41.9°F (5.5°C).

Temperature

In December, the average high-temperature drops, from a cool 51.4°F (10.8°C) in November, to a wintry 41.9°F (5.5°C). The average low-temperature, in Parkersburg, is 30.7°F (-0.7°C).

Humidity

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

Rainfall

In Parkersburg, during December, the rain falls for 12.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Parkersburg, during the entire year, the rain falls for 175.1 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Parkersburg. In Parkersburg, during December, snow falls for 9.2 days and regularly aggregates up to 1.93" (49mm) of snow. Throughout the year, there are 42.5 snowfall days, and 12.4" (315mm) of snow is accumulated.

Daylight

The month with the shortest days in Parkersburg is December, with an average of 9.5h of daylight.

Sunshine

The average sunshine in December is 3.9h.

UV index

Months with the lowest UV index in Parkersburg are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Parkersburg?

In December, in Parkersburg, West Virginia, the average high-temperature is 41.9°F (5.5°C), and the average low-temperature is 30.7°F (-0.7°C).

What is the average humidity in December in Parkersburg?

In December, the average relative humidity is 82%.

How much does it rain in Parkersburg in December?

In Parkersburg, in December, during 12.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

How many days does it snow in December in Parkersburg?

In December, in Parkersburg, West Virginia, it is snowing for 9.2 days. Throughout December, 1.93" (49mm) of snow is accumulated.

What is the month with the shortest days in Parkersburg?

December has the shortest days of the year, with an average of 9.5h of daylight.

How many hours of daylight does Parkersburg have in December?

In December, the average length of the day in Parkersburg is 9.5h.

How many hours of sunshine does Parkersburg have in December?

The average sunshine in December is 3.9h.

When is the lowest UV index in Parkersburg?

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 Parkersburg?

In Parkersburg, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Parkersburg, West VA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average humidity in December - Parkersburg, West VA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December - Parkersburg, West VA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December - Parkersburg, West VA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in December - Parkersburg, West VA
  • Average snowfall in December: 1.93"

The month with the highest snowfall is February (3.54").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December - Parkersburg, West VA
  • Average snowfall days in December: 9.2 days

The month with the highest number of snowfall days is January (13.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Parkersburg, West VA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 3.9h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.5h).

Average UV index in December - Parkersburg, West VA
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).