December weather forecast
Marnie, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Marnie, West Virginia, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.2°F (0.1°C).

Temperature

The transition into December involves a small decrease in the average high-temperature, dipping slightly from a cool 53.1°F (11.7°C) in November to a chilly 44.1°F (6.7°C). Marnie's nights in December experience an average temperature drop to a wintry 32.2°F (0.1°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Marnie, in December, it is raining for 13.4 days, with typically 3.39" (86mm) of accumulated precipitation. In Marnie, during the entire year, the rain falls for 183.9 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Marnie, in December, snow falls for 7.9 days, with typically accumulated 3.82" (97mm) of snow. In Marnie, during the entire year, snow falls for 40.7 days and aggregates up to 19.45" (494mm) 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 the month, sunrise is at 7:24 am and sunset at 5:07 pm. On the last day of December, in Marnie, sunrise is at 7:42 am and sunset at 5:17 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

How cold does it get in December?

In December, in Marnie, the average high-temperature is 44.1°F (6.7°C), and the average low-temperature is 32.2°F (0.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 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 December, the rain falls for 13.4 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 7.9 days. Throughout December, 3.82" (97mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Marnie.

How many hours of daylight does Marnie have in December?

The average day length in December is 9h and 35min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:07 pm. On the last day of the month, in Marnie, sunrise is at 7:42 am and sunset at 5:17 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Marnie, WV

Average temperature in December - Marnie, WV
  • Average high temperature in December: 44.1°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 (39°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in December
Marnie, WV

Average pressure in December - Marnie, 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 (29.98"Hg).

Average wind speed in December
Marnie, WV

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

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Marnie, WV

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

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

Average rainfall in December
Marnie, WV

Average rainfall in December - Marnie, WV
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Marnie, WV

Average rainfall days in December - Marnie, WV
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in December
Marnie, WV

Average snowfall in December - Marnie, WV
  • Average snowfall in December: 3.82"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Marnie, WV

Average snowfall days in December - Marnie, WV
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Marnie, WV
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Marnie, WV

Average sunshine days in December - Marnie, WV
  • Average sunshine days in December: 11.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in December
Marnie, WV

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

Average cloud cover in December
Marnie, WV

Average cloud cover in December - Marnie, WV
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Marnie, WV

Average visibility in December - Marnie, 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).

Marnie, West Virginia, USA

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