December weather forecast
Annamoriah, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Annamoriah, West Virginia, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 43.2°F (6.2°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 52.3°F (11.3°C) to a chilly 43.2°F (6.2°C). The temperature lowers to an average of 31.6°F (-0.2°C) during December nights.

Humidity

In December, the average relative humidity in Annamoriah, West Virginia, is 81%.

Rainfall

In Annamoriah, in December, during 13.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 186.1 rainfall days, and 36.3" (922mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Annamoriah, during December, snow falls for 10.1 days and regularly aggregates up to 3.86" (98mm) of snow. In Annamoriah, during the entire year, snow falls for 46.8 days and aggregates up to 20.04" (509mm) 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 5:03 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:12 pm EST.

Sunshine

The average sunshine in December 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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

In Annamoriah, in December, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 31.6°F (-0.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 93.2°F (34°C).

What is the average humidity in December?

In Annamoriah, the average relative humidity in December is 81%.

How many days does it rain in December?

In December, the rain falls for 13.6 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

How many days does it snow in December in Annamoriah?

In Annamoriah, in December, during 10.1 snowfall days, 3.86" (98mm) 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?

In December, the average day length is 9h and 29min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:25 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:12 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4h.

What is the month with the lowest UV index in Annamoriah?

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 Annamoriah, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Annamoriah, WV

Average temperature in December - Annamoriah, WV
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 31.6°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 (24.3°F).

Average pressure in December
Annamoriah, WV

Average pressure in December - Annamoriah, 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
Annamoriah, WV

Average wind speed in December - Annamoriah, WV
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Annamoriah, WV

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

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).

Average rainfall in December
Annamoriah, WV

Average rainfall in December - Annamoriah, WV
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Annamoriah, WV

Average rainfall days in December - Annamoriah, WV
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in December
Annamoriah, WV

Average snowfall in December - Annamoriah, WV
  • Average snowfall in December: 3.86"

The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Annamoriah, WV

Average snowfall days in December - Annamoriah, WV
  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Annamoriah, 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: 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 36min).

Average sunshine days in December
Annamoriah, WV

Average sunshine days in December - Annamoriah, WV
  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).

Average UV index in December
Annamoriah, WV

Average UV index in December - Annamoriah, 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 and December (UV index 2).

Average cloud cover in December
Annamoriah, WV

Average cloud cover in December - Annamoriah, 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
Annamoriah, WV

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

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

Annamoriah, West Virginia, USA

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