December weather forecast
Upperglade, WV

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Weather in December

The first month of the winter, December, is also a wintry month in Upperglade, West Virginia, with an average temperature ranging between max 40.6°F (4.8°C) and min 28.2°F (-2.1°C).

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from a chilly 48.7°F (9.3°C) in November to an icy 40.6°F (4.8°C). Upperglade's temperature in December lowers to a consistent average of 28.2°F (-2.1°C) during the nights.

Humidity

The average relative humidity in December in Upperglade is 83%.

Rainfall

In Upperglade, during December, the rain falls for 12.5 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Upperglade, West Virginia, during the entire year, the rain falls for 197.5 days and collects up to 41.61" (1057mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Upperglade, West Virginia. In Upperglade, during December, snow falls for 11.4 days and regularly aggregates up to 7.64" (194mm) of snow. Throughout the year, in Upperglade, there are 59.4 snowfall days, and 37.4" (950mm) of snow is accumulated.

Daylight

The month with the shortest days in Upperglade is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:11 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

The months with the lowest UV index in Upperglade are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Upperglade in December?

December temperatures vary between a high-temperature of 40.6°F (4.8°C) and a low-temperature of 28.2°F (-2.1°C).

What is the average humidity in December in Upperglade?

In December, the average relative humidity in Upperglade is 83%.

How many days does it rain in December in Upperglade?

In Upperglade, during December, the rain falls for 12.5 days and regularly aggregates up to 3.7" (94mm) of precipitation.

How much does it snow in Upperglade in December?

In Upperglade, in December, snow falls for 11.4 days, with typically accumulated 7.64" (194mm) of snow.

What is the month with the shortest days in Upperglade?

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

How many hours of daylight does Upperglade have in December?

The average day length in December in Upperglade, West Virginia, is 9h and 32min.

When are sunrise and sunset in December in Upperglade?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:01 pm. On the last day of the month, in Upperglade, sunrise is at 7:39 am and sunset at 5:11 pm EST.

How long on average sun shines in December in Upperglade?

The average sunshine duration in December in Upperglade, West Virginia, is 4.3h.

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

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

What is the UV index intensity in December in Upperglade?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Upperglade, WV

Average temperature in December - Upperglade, WV
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Upperglade, WV

Average pressure in December - Upperglade, 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
Upperglade, WV

Average wind speed in December - Upperglade, WV
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Upperglade, WV

Average humidity in December - Upperglade, WV
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).

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Average rainfall in December
Upperglade, WV

Average rainfall in December - Upperglade, WV
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in December
Upperglade, WV

Average rainfall days in December - Upperglade, WV
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is January (11.4 days).

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Average snowfall in December
Upperglade, WV

Average snowfall in December - Upperglade, WV
  • Average snowfall in December: 7.64"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Upperglade, WV

Average snowfall days in December - Upperglade, WV
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (15.3 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
Upperglade, WV

Average daylight in December / Average sunshine in December - Upperglade, 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 2min

The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Upperglade, WV

Average sunshine days in December - Upperglade, WV
  • Average sunshine days in December: 10 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (5.9 days).

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Average UV index in December
Upperglade, WV

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

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Average cloud cover in December
Upperglade, WV

Average cloud cover in December - Upperglade, WV
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in December
Upperglade, WV

Average visibility in December - Upperglade, WV
  • Average visibility in December: 5mi

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

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Upperglade, West Virginia, USA

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