December weather forecast
Green Bay, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Green Bay, Virginia, with an average temperature ranging between max 49.1°F (9.5°C) and min 34.7°F (1.5°C).

Temperature

Green Bay, Virginia, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a moderate 56.3°F (13.5°C) in November to a chilly 49.1°F (9.5°C). In the month of December, the average low-temperature in Green Bay usually rests at a wintry 34.7°F (1.5°C).

Humidity

December is the most humid month in Green Bay, with an average relative humidity of 78%.

Rainfall

In Green Bay, in December, during 10.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Green Bay, Virginia, there are 156.1 rainfall days, and 30" (762mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Green Bay are January through April, October through December. In Green Bay, in December, snow falls for 1.3 days, with typically accumulated 1.77" (45mm) of snow. In Green Bay, Virginia, during the entire year, snow falls for 10.8 days and aggregates up to 9.17" (233mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:56 pm. On the last day of December, in Green Bay, Virginia, sunrise is at 7:26 am and sunset at 5:06 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Green Bay. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What are December temperatures in Green Bay?

An average high-temperature, in December, in Green Bay, is 49.1°F (9.5°C) and the average low-temperature is 34.7°F (1.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 84.2°F (29°C).

What is the most humid month in Green Bay?

The most humid month in Green Bay is December, with an average relative humidity of 78%.

What is the average humidity in December in Green Bay?

The average relative humidity in December is 78%.

How much does it rain in Green Bay in December?

In December, the rain falls for 10.5 days. Throughout December, 2.64" (67mm) of precipitation is accumulated.

How much does it snow in Green Bay in December?

In Green Bay, in December, snow falls for 1.3 days, with typically accumulated 1.77" (45mm) of snow.

What is the month with the shortest days in Green Bay?

December has the shortest days of the year in Green Bay, with an average of 9h and 42min of daylight.

What is the average length of the day in December in Green Bay?

The average day length in December in Green Bay is 9h and 40min.

When are sunrise and sunset in December in Green Bay?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:56 pm. On the last day of the month, in Green Bay, sunrise is at 7:26 am and sunset at 5:06 pm EST.

What is the month with the least sunshine in Green Bay?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

How many hours of sunshine does Green Bay have in December?

The average sunshine duration in December in Green Bay, Virginia, is 5.4h.

What is the month with the lowest UV index in Green Bay?

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

What is the UV index reading in December in Green Bay?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Green Bay, VA

Average temperature in December - Green Bay, VA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in December
Green Bay, VA

Average pressure in December - Green Bay, VA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Green Bay, VA

Average wind speed in December - Green Bay, VA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Green Bay, VA

Average humidity in December - Green Bay, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in December
Green Bay, VA

Average rainfall in December - Green Bay, VA
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Green Bay, VA

Average rainfall days in December - Green Bay, VA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in December
Green Bay, VA

Average snowfall in December - Green Bay, VA
  • Average snowfall in December: 1.77"

The month with the highest snowfall is March (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Green Bay, VA

Average snowfall days in December - Green Bay, VA
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Green Bay, VA

Average daylight in December / Average sunshine in December - Green Bay, VA
  • 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 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Green Bay, VA

Average sunshine days in December - Green Bay, VA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Green Bay, VA

Average UV index in December - Green Bay, VA
  • 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
Green Bay, VA

Average cloud cover in December - Green Bay, VA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Green Bay, VA

Average visibility in December - Green Bay, VA
  • Average visibility in December: 5mi

The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).

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Green Bay, Virginia, USA

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