December weather forecast
Glen Burnie, MD

Weather in December

December, the first month of the winter in Glen Burnie, is still a chilly month, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.5°F (1.4°C).

Temperature

In December, the average high-temperature slightly decreases from a cool 53.6°F (12°C) in November to a frosty 45.5°F (7.5°C). The average low-temperature, in Glen Burnie, is 34.5°F (1.4°C).

Humidity

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

Rainfall

In December, the rain falls for 10.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, in Glen Burnie, Maryland, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Glen Burnie, during 2.1 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, in Glen Burnie, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

The month with the shortest days in Glen Burnie is December, with an average of 9h and 28min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Glen Burnie is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glen Burnie. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Glen Burnie?

In Glen Burnie, Maryland, the average relative humidity in December is 76%.

How many days does it rain in December in Glen Burnie?

In Glen Burnie, in December, during 10.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How much does it snow in Glen Burnie in December?

In Glen Burnie, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the month with the shortest days in Glen Burnie?

The month with the shortest days in Glen Burnie is December, with an average of 9h and 28min of daylight.

What is the average length of the day in December in Glen Burnie?

In Glen Burnie, Maryland, the average day length in December is 9h and 28min.

When are sunrise and sunset in December in Glen Burnie?

On the first day of December in Glen Burnie, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How many hours of sunshine does Glen Burnie have in December?

The average sunshine duration in December in Glen Burnie, Maryland, is 5.2h.

When is the lowest UV index in Glen Burnie?

The months with the lowest UV index in Glen Burnie are January, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Glen Burnie?

In Glen Burnie, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in December
Glen Burnie, MD

Average temperature in December - Glen Burnie, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Glen Burnie, MD

Average pressure in December - Glen Burnie, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Glen Burnie, MD

Average wind speed in December - Glen Burnie, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Glen Burnie, MD

Average humidity in December - Glen Burnie, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

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Average rainfall in December
Glen Burnie, MD

Average rainfall in December - Glen Burnie, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Glen Burnie, MD

Average rainfall days in December - Glen Burnie, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

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Average snowfall in December
Glen Burnie, MD

Average snowfall in December - Glen Burnie, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Glen Burnie, MD

Average snowfall days in December - Glen Burnie, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Glen Burnie, MD

Average daylight in December / Average sunshine in December - Glen Burnie, MD
  • Average daylight in December: 9h and 28min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in December: 5.2h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days in December
Glen Burnie, MD

Average sunshine days in December - Glen Burnie, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in December
Glen Burnie, MD

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

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Average cloud cover in December
Glen Burnie, MD

Average cloud cover in December - Glen Burnie, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Glen Burnie, MD

Average visibility in December - Glen Burnie, 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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