December weather forecast
Cyclone, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Cyclone, West Virginia, with an average temperature fluctuating between 31.1°F (-0.5°C) and 43.5°F (6.4°C).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's fresh 51.8°F (11°C) to a frosty 43.5°F (6.4°C). Throughout December, the temperature falls to an average low of 31.1°F (-0.5°C).

Humidity

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

Rainfall

In Cyclone, in December, it is raining for 9.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Cyclone, during the entire year, the rain falls for 135.9 days and collects up to 16.46" (418mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Cyclone, West Virginia, in December, snow falls for 5.4 days, with typically accumulated 2.05" (52mm) of snow. In Cyclone, West Virginia, during the entire year, snow falls for 30.3 days and aggregates up to 8.66" (220mm) of snow.

Daylight

The month with the shortest days in Cyclone is December, with an average of 9h and 36min of daylight.
On the first day of December in Cyclone, 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

In December, the average sunshine is 4.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cyclone. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

Is December cold in Cyclone?

The average high-temperature, in December, in Cyclone, is 43.5°F (6.4°C), while the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in December in Cyclone?

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

How many days does it rain in December in Cyclone?

In Cyclone, during December, the rain falls for 9.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in December in Cyclone?

In Cyclone, in December, during 5.4 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the month with the shortest days in Cyclone?

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

What is the average length of the day in December in Cyclone?

In Cyclone, the average day length in December is 9h and 37min.

When are sunrise and sunset in December in Cyclone?

On the first day of December in Cyclone, West Virginia, 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 many hours of sunshine does Cyclone have in December?

In Cyclone, West Virginia, the average sunshine duration in December is 4.5h.

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

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

How high is the UV index in December in Cyclone?

In Cyclone, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Cyclone, WV

Average temperature in December - Cyclone, WV
  • Average high temperature in December: 43.5°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 (38.7°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in December
Cyclone, WV

Average pressure in December - Cyclone, 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).

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Average wind speed in December
Cyclone, WV

Average wind speed in December - Cyclone, WV
  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in December
Cyclone, WV

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

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

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Average rainfall in December
Cyclone, WV

Average rainfall in December - Cyclone, WV
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in December
Cyclone, WV

Average rainfall days in December - Cyclone, WV
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in December
Cyclone, WV

Average snowfall in December - Cyclone, WV
  • Average snowfall in December: 2.05"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Cyclone, WV

Average snowfall days in December - Cyclone, WV
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Cyclone, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
Cyclone, WV

Average sunshine days in December - Cyclone, WV
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in December
Cyclone, WV

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

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Average cloud cover in December
Cyclone, WV

Average cloud cover in December - Cyclone, WV
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Cyclone, WV

Average visibility in December - Cyclone, 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).

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Cyclone, West Virginia, USA

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