December weather forecast
Wyoming, WV

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Weather in December

December, the first month of the winter in Wyoming, is still a chilly month, with an average temperature ranging between max 44.4°F (6.9°C) and min 31.1°F (-0.5°C).

Temperature

As November makes way for December, Wyoming's average high-temperature eases from a fresh 52.5°F (11.4°C) to a chilly 44.4°F (6.9°C). During the month of December, Wyoming anticipates a mean low-temperature of 31.1°F (-0.5°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 11.6 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 7.8 days and accumulates 4.41" (112mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Wyoming, sunrise is at 7:23 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:18 pm EST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

How cold is December?

During December, Wyoming experiences an average high-temperature of 44.4°F (6.9°C) and a low-temperature of 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December in Wyoming?

In Wyoming, West Virginia, in December, it is raining for 11.6 days, with typically 2.8" (71mm) of accumulated precipitation.

When does it snow the most in Wyoming?

The month with the most snowfall is December, when snow falls for 7.8 days and typically aggregates up to 4.41" (112mm) of snow.

How many days does it snow in December?

In Wyoming, in December, snow falls for 7.8 days, with typically accumulated 4.41" (112mm) of snow.

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?

The average day length in December is 9h and 37min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:23 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:18 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Wyoming, WV

Average temperature in December - Wyoming, WV
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Wyoming, WV

Average pressure in December - Wyoming, 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 (29.99"Hg).

Average wind speed in December
Wyoming, WV

Average wind speed in December - Wyoming, WV
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Wyoming, WV

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall in December
Wyoming, WV

Average rainfall in December - Wyoming, WV
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
Wyoming, WV

Average rainfall days in December - Wyoming, WV
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall in December
Wyoming, WV

Average snowfall in December - Wyoming, WV
  • Average snowfall in December: 4.41"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Wyoming, WV

Average snowfall days in December - Wyoming, WV
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Wyoming, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Wyoming, WV

Average sunshine days in December - Wyoming, WV
  • Average sunshine days in December: 13.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in December
Wyoming, WV

Average UV index in December - Wyoming, 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
Wyoming, WV

Average cloud cover in December - Wyoming, WV
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility in December
Wyoming, WV

Average visibility in December - Wyoming, 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).

Wyoming, West Virginia, USA

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