December weather forecast
Cotton, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Cotton, West Virginia, with an average temperature fluctuating between 32.2°F (0.1°C) and 43.9°F (6.6°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a cool 52.9°F (11.6°C) to a frosty 43.9°F (6.6°C). An average nighttime temperature of 32.2°F (0.1°C) is witnessed throughout December.

Humidity

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

Rainfall

In Cotton, during December, the rain falls for 12.7 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 169.9 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Cotton, West Virginia, in December, during 6.9 snowfall days, 2.52" (64mm) of snow is typically accumulated. Throughout the year, there are 34.5 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
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.

Sunshine

In Cotton, the average sunshine in December is 4h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

How cold is December?

In December, in Cotton, the average high-temperature is 43.9°F (6.6°C), and the average low-temperature is 32.2°F (0.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 93.2°F (34°C).

What is the average humidity in December in Cotton?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In Cotton, during December, the rain falls for 12.7 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 6.9 days. Throughout December, 2.52" (64mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Cotton, the average day length in December is 9h and 32min.

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

How many hours of sunshine does Cotton have in December?

In December, the average sunshine duration is 4h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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
Cotton, WV

Average temperature in December - Cotton, 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
Cotton, WV

Average pressure in December - Cotton, 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
Cotton, WV

Average wind speed in December - Cotton, 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
Cotton, WV

Average humidity in December - Cotton, 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
Cotton, WV

Average rainfall in December - Cotton, 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
Cotton, WV

Average rainfall days in December - Cotton, 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
Cotton, WV

Average snowfall in December - Cotton, 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
Cotton, WV

Average snowfall days in December - Cotton, 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
Cotton, WV

Average daylight in December / Average sunshine in December - Cotton, 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
Cotton, WV

Average sunshine days in December - Cotton, 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
Cotton, WV

Average UV index in December - Cotton, 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
Cotton, WV

Average cloud cover in December - Cotton, 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
Cotton, WV

Average visibility in December - Cotton, 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).

Cotton, West Virginia, USA

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