December weather forecast
North Brentwood, MD

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Weather in December

The first month of the winter, December, is still a chilly month in North Brentwood, Maryland, with an average temperature ranging between min 34.3°F (1.3°C) and max 45.5°F (7.5°C).

Temperature

The arrival of December signals a subtle shift in temperature, down from a cool 54.1°F (12.3°C) in November to a frosty 45.5°F (7.5°C). North Brentwood experiences a steady low-temperature of 34.3°F (1.3°C) throughout December.

Humidity

The months with the highest humidity in North Brentwood are May, October and December, with an average relative humidity of 76%.

Rainfall

In North Brentwood, in December, it is raining for 9.8 days, with typically 2.6" (66mm) of accumulated precipitation. In North Brentwood, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows in North Brentwood. Throughout December, in the average 2.4 snowfall days, it receives 0.67" (17mm) of snow. In North Brentwood, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) 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 7:08 am and sunset at 4:46 pm. On the last day of December, in North Brentwood, sunrise is at 7:26 am and sunset at 4:55 pm EST.

Sunshine

In North Brentwood, the average sunshine in December is 5.1h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in North Brentwood. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. 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. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What is the temperature in December in North Brentwood?

December temperatures vary between a high-temperature of 45.5°F (7.5°C) and a low-temperature of 34.3°F (1.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 93.2°F (34°C).

What is the most humid month in North Brentwood?

The months with the highest humidity in North Brentwood, Maryland, are May, October and December, with an average relative humidity of 76%.

What is the average humidity in December in North Brentwood?

The average relative humidity in December is 76%.

How many days does it rain in December in North Brentwood?

In North Brentwood, Maryland, in December, it is raining for 9.8 days, with typically 2.6" (66mm) of accumulated precipitation.

When does it start snowing in North Brentwood?

December is the first month it typically snows. Throughout December, in the average 2.4 snowfall days, it receives 0.67" (17mm) of snow.

What is the month with the shortest days in North Brentwood?

With an average of 9h and 30min of daylight, December has the shortest days of the year in North Brentwood, Maryland.

What is the average length of the day in December in North Brentwood?

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

When are sunrise and sunset in December in North Brentwood?

On the first day of December in North Brentwood, Maryland, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST.

How long on average sun shines in December in North Brentwood?

The average sunshine duration in December in North Brentwood is 5.1h.

When is the lowest UV index in North Brentwood?

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

How high is the UV index in December in North Brentwood?

In North Brentwood, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
North Brentwood, MD

Average temperature in December - North Brentwood, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
North Brentwood, MD

Average pressure in December - North Brentwood, 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
North Brentwood, MD

Average wind speed in December - North Brentwood, MD
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
North Brentwood, MD

Average humidity in December - North Brentwood, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in December
North Brentwood, MD

Average rainfall in December - North Brentwood, MD
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in December
North Brentwood, MD

Average rainfall days in December - North Brentwood, MD
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in December
North Brentwood, MD

Average snowfall in December - North Brentwood, MD
  • Average snowfall in December: 0.67"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in December
North Brentwood, MD

Average snowfall days in December - North Brentwood, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.1 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
North Brentwood, MD

Average daylight in December / Average sunshine in December - North Brentwood, 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 0min).

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Average sunshine days in December
North Brentwood, MD

Average sunshine days in December - North Brentwood, MD
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in December
North Brentwood, MD

Average UV index in December - North Brentwood, 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
North Brentwood, MD

Average cloud cover in December - North Brentwood, MD
  • Average cloud cover in December: 45

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

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Average visibility in December
North Brentwood, MD

Average visibility in December - North Brentwood, 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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North Brentwood, Maryland, USA

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