December weather forecastGap Mills, WV

December

Weather in December

December, the first month of the winter in Gap Mills, is also a wintry month, with an average temperature fluctuating between 41.5°F (5.3°C) and 28.2°F (-2.1°C).

Temperature

As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a frosty 49.8°F (9.9°C) to a wintry 41.5°F (5.3°C). Gap Mills reports an average nighttime low-temperature of 28.2°F (-2.1°C) in December.

Humidity

February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In December, the rain falls for 12.8 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Gap Mills, during the entire year, the rain falls for 189.8 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Gap Mills. In December, it is snowing for 9.7 days. Throughout December, 4.61" (117mm) of snow is accumulated. In Gap Mills, during the entire year, snow falls for 49.4 days and aggregates up to 24.8" (630mm) of snow.

Daylight

December has the shortest days of the year in Gap Mills, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:18 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:13 pm EST.

Sunshine

In December, the average sunshine in Gap Mills, West Virginia, is 4.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gap Mills, West Virginia. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Gap Mills, West Virginia, during December is 41.5°F (5.3°C) and the low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in July is computed to be 86°F (30°C).

February and December, with an average relative humidity of 83%, are most humid months in Gap Mills, West Virginia.

In Gap Mills, West Virginia, the average relative humidity in December is 83%.

In Gap Mills, in December, during 12.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

In December, in Gap Mills, it is snowing for 9.7 days. Throughout December, 4.61" (117mm) of snow is accumulated.

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

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

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:13 pm EST.

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

The months with the lowest UV index in Gap Mills, West Virginia, are January through March, November and December, with an average maximum UV index of 2.

The average daily maximum UV index in December in Gap Mills is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gap Mills, WV

  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Gap Mills, 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
Gap Mills, WV

  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Gap Mills, WV

  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June, July, August and November (79%).

Average rainfall in December
Gap Mills, WV

  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Gap Mills, WV

  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.8 days).

Average snowfall in December
Gap Mills, WV

  • Average snowfall in December: 4.61"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Gap Mills, WV

  • Average snowfall days in December: 9.7 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Gap Mills, WV

  • Average daylight in December: 9h and 36min

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 30min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Gap Mills, WV

  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7 days).

Average UV index in December
Gap Mills, WV

  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Gap Mills, WV

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 41).

Average visibility in December
Gap Mills, WV

  • Average visibility in December: 4mi

The months with the highest visibility are March, April, June, July and November (5mi).
The months with the lowest visibility are January, February, May, August, September, October and December (4mi).