December weather forecast
Stoneybrook Village, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Stoneybrook Village, Maryland, with an average temperature ranging between min 34.7°F (1.5°C) and max 45.5°F (7.5°C).

Temperature

In December, the average high-temperature marginally drops from a cool 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). An average temperature of 34.7°F (1.5°C) is recorded during the nights in December.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Stoneybrook Village, in December, it is raining for 11.4 days, with typically 2.83" (72mm) of accumulated precipitation. In Stoneybrook Village, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Stoneybrook Village, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Stoneybrook Village is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are December temperatures in Stoneybrook Village?

The average high-temperature and low-temperature during December are 45.5°F (7.5°C) and 34.7°F (1.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Stoneybrook Village?

In December, the average relative humidity in Stoneybrook Village, Maryland, is 75%.

How many days does it rain in December in Stoneybrook Village?

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

How many days does it snow in December in Stoneybrook Village?

In Stoneybrook Village, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Stoneybrook Village?

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

What is the average length of the day in December in Stoneybrook Village?

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

When is the sunrise / sunset in December in Stoneybrook Village?

On the first day of December in Stoneybrook Village, sunrise is at 7:07 am and sunset at 4:43 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 Stoneybrook Village have in December?

In Stoneybrook Village, Maryland, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Stoneybrook Village?

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

What is the UV index intensity in December in Stoneybrook Village?

In December, the average daily maximum UV index in Stoneybrook Village, Maryland, is 2. A UV Index reading 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
Stoneybrook Village, MD

Average temperature in December - Stoneybrook Village, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Stoneybrook Village, MD

Average pressure in December - Stoneybrook Village, 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
Stoneybrook Village, MD

Average wind speed in December - Stoneybrook Village, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Stoneybrook Village, MD

Average humidity in December - Stoneybrook Village, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in December
Stoneybrook Village, MD

Average rainfall in December - Stoneybrook Village, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Stoneybrook Village, MD

Average rainfall days in December - Stoneybrook Village, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Stoneybrook Village, MD

Average snowfall in December - Stoneybrook Village, MD
  • Average snowfall in December: 0.63"

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
Stoneybrook Village, MD

Average snowfall days in December - Stoneybrook Village, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Stoneybrook Village, MD

Average daylight in December / Average sunshine in December - Stoneybrook Village, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Stoneybrook Village, MD

Average sunshine days in December - Stoneybrook Village, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Stoneybrook Village, MD

Average UV index in December - Stoneybrook Village, 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
Stoneybrook Village, MD

Average cloud cover in December - Stoneybrook Village, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in December
Stoneybrook Village, MD

Average visibility in December - Stoneybrook Village, 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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Stoneybrook Village, Maryland, USA

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