December weather forecast
Osborne, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Osborne, West Virginia, with an average temperature varying between 43.9°F (6.6°C) and 32.2°F (0.1°C).

Temperature

The transition into December indicates a reduction in the average high-temperature, down to a chilly 43.9°F (6.6°C) from November's cool 52.9°F (11.6°C). Throughout the month of December, Osborne sees a steady low-temperature average of 32.2°F (0.1°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Osborne, in December, during 12.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 169.9 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Osborne, in December, snow falls for 6.9 days, with typically accumulated 2.52" (64mm) of snow. In Osborne, West Virginia, during the entire year, snow falls for 34.5 days and aggregates up to 12.76" (324mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:14 pm EST.

Sunshine

In December, the average sunshine is 4h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

Is December cold?

The high-temperature, in December, in Osborne, records 43.9°F (6.6°C), while the low-temperature is 32.2°F (0.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Osborne, West Virginia, in December, during 12.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, in Osborne, it is snowing for 6.9 days. Throughout December, 2.52" (64mm) 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 30min of daylight.

How many hours of daylight does Osborne have in December?

The average day length in December is 9h and 32min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:14 pm EST.

How many hours of sunshine does Osborne have in December?

The average sunshine duration in December is 4h.

When is 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?

In Osborne, 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
Osborne, WV

Average temperature in December - Osborne, WV
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Osborne, WV

Average pressure in December - Osborne, 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 (29.97"Hg).

Average wind speed in December
Osborne, WV

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

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Osborne, WV

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Osborne, WV

Average rainfall in December - Osborne, WV
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Osborne, WV

Average rainfall days in December - Osborne, WV
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in December
Osborne, WV

Average snowfall in December - Osborne, WV
  • Average snowfall in December: 2.52"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Osborne, WV

Average snowfall days in December - Osborne, WV
  • Average snowfall days in December: 6.9 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).

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

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

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 30min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Osborne, WV

Average sunshine days in December - Osborne, WV
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is October (17.9 days).
The months with the least sunshine days are February and May (10.2 days).

Average UV index in December
Osborne, WV

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

The months with the highest UV index are May, June, July 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
Osborne, WV

Average cloud cover in December - Osborne, WV
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Osborne, WV

Average visibility in December - Osborne, 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).

Osborne, West Virginia, USA

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