December weather forecast
Stoneybrook Village, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Stoneybrook Village, Maryland, with an average temperature varying between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

The onset of December entails a subtle temperature shift, as the average high-temperature eases from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). In December, Stoneybrook Village's temperature tends to fall to an average low of 34.7°F (1.5°C) during the night.

Humidity

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

Rainfall

In Stoneybrook Village, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Stoneybrook Village are January through April, November and December. In Stoneybrook Village, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

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

Sunshine

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

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Stoneybrook Village in December?

In Stoneybrook Village, in December, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 91.4°F (33°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Stoneybrook Village, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How much does it snow in December?

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?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, 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 long on average sun shines in December?

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

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Stoneybrook Village, Maryland, USA

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