December weather forecast
Greensboro, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Greensboro, Maryland, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 46.6°F (8.1°C).

Temperature

Greensboro in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 54.5°F (12.5°C) to a chilly 46.6°F (8.1°C). Throughout December, Greensboro registers a consistent average low-temperature of 35.2°F (1.8°C).

Humidity

In Greensboro, the average relative humidity in December is 76%.

Rainfall

In Greensboro, in December, it is raining for 10.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Greensboro, there are 156.8 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Greensboro are January through April, November and December. In Greensboro, in December, during 2.4 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Greensboro, during the entire year, snow falls for 12.3 days and aggregates up to 6.18" (157mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:51 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are the temperatures in Greensboro in December?

The average high-temperature, in December, in Greensboro, is 46.6°F (8.1°C), while the average low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in December in Greensboro?

The average relative humidity in December is 76%.

How much does it rain in Greensboro in December?

In Greensboro, Maryland, during December, the rain falls for 10.8 days and regularly aggregates up to 2.87" (73mm) of precipitation.

How much does it snow in Greensboro in December?

In Greensboro, in December, snow falls for 2.4 days, with typically accumulated 0.83" (21mm) of snow.

What is the month with the shortest days in Greensboro?

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

How many hours of daylight does Greensboro have in December?

In Greensboro, the average day length in December is 9h and 29min.

When are sunrise and sunset in December in Greensboro?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:51 pm EST.

How long on average sun shines in December in Greensboro?

In December, the average sunshine duration in Greensboro is 5.1h.

What is the month with the lowest UV index in Greensboro?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Greensboro, Maryland.

What is the UV index reading in December in Greensboro?

In December, the average daily maximum UV index in Greensboro is 2. A UV Index of 2, and less, symbolizes 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
Greensboro, MD

Average temperature in December - Greensboro, MD
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Greensboro, MD

Average pressure in December - Greensboro, MD
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Greensboro, MD

Average wind speed in December - Greensboro, MD
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Greensboro, MD

Average humidity in December - Greensboro, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May and August (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in December
Greensboro, MD

Average rainfall in December - Greensboro, MD
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.97").

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Average rainfall days in December
Greensboro, MD

Average rainfall days in December - Greensboro, MD
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Greensboro, MD

Average snowfall in December - Greensboro, MD
  • Average snowfall in December: 0.83"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Greensboro, MD

Average snowfall days in December - Greensboro, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Greensboro, MD

Average daylight in December / Average sunshine in December - Greensboro, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Greensboro, MD

Average sunshine days in December - Greensboro, MD
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in December
Greensboro, MD

Average UV index in December - Greensboro, MD
  • 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 and December (UV index 2).

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Average cloud cover in December
Greensboro, MD

Average cloud cover in December - Greensboro, MD
  • Average cloud cover in December: 45

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Greensboro, MD

Average visibility in December - Greensboro, MD
  • Average visibility in December: 6mi

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

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Greensboro, Maryland, USA

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