December weather forecast
Gwinn, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Gwinn, West Virginia, with an average temperature fluctuating between 44.4°F (6.9°C) and 32.7°F (0.4°C).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 53.2°F (11.8°C) to a frosty 44.4°F (6.9°C). In Gwinn, the average low-temperature during the month of December is an icy 32.7°F (0.4°C).

Humidity

In December, the average relative humidity in Gwinn is 80%.

Rainfall

In Gwinn, in December, during 13.5 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, in Gwinn, West Virginia, there are 176 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Gwinn, West Virginia. In Gwinn, during December, snow falls for 7.5 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, there are 38.2 snowfall days, and 14.92" (379mm) of snow is accumulated.

Daylight

The month with the shortest days in Gwinn is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:28 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:18 pm EST.

Sunshine

In December, the average sunshine is 4.2h.

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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

How cold is it in Gwinn in December?

The high-temperature, in December, in Gwinn, is 44.4°F (6.9°C), while the low-temperature averages to 32.7°F (0.4°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 96.8°F (36°C).

What is the average humidity in December in Gwinn?

In December, the average relative humidity in Gwinn is 80%.

How much does it rain in Gwinn in December?

In Gwinn, West Virginia, in December, it is raining for 13.5 days, with typically 3.15" (80mm) of accumulated precipitation.

How many days does it snow in December in Gwinn?

In December, it is snowing for 7.5 days. Throughout December, 2.99" (76mm) of snow is accumulated.

What is the month with the shortest days in Gwinn?

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

How many hours of daylight does Gwinn have in December?

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

When is the sunrise / sunset in December in Gwinn?

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 5:08 pm. On the last day of the month, in Gwinn, West Virginia, sunrise is at 7:46 am and sunset at 5:18 pm EST.

How long on average sun shines in December in Gwinn?

In December, the average sunshine duration in Gwinn is 4.2h.

What are the months with the lowest UV index in Gwinn?

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 Gwinn?

In December, the average daily maximum UV index 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
Gwinn, WV

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

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in December
Gwinn, WV

Average pressure in December - Gwinn, 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).

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Average wind speed in December
Gwinn, WV

Average wind speed in December - Gwinn, 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 (4.2mph).

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Average humidity in December
Gwinn, WV

Average humidity in December - Gwinn, WV
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in December
Gwinn, WV

Average rainfall in December - Gwinn, WV
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Gwinn, WV

Average rainfall days in December - Gwinn, WV
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.9 days).

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Average snowfall in December
Gwinn, WV

Average snowfall in December - Gwinn, WV
  • Average snowfall in December: 2.99"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Gwinn, WV

Average snowfall days in December - Gwinn, WV
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (11.4 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
Gwinn, WV

Average daylight in December / Average sunshine in December - Gwinn, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Gwinn, WV

Average sunshine days in December - Gwinn, WV
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in December
Gwinn, WV

Average UV index in December - Gwinn, 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).

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Average cloud cover in December
Gwinn, WV

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

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Gwinn, WV

Average visibility in December - Gwinn, 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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Gwinn, West Virginia, USA

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