December weather forecast
Severnview, MD

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Weather in December

December, the first month of the winter in Severnview, is still a chilly month, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 45.5°F (7.5°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a fresh 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). Severnview experiences an average low-temperature of 34.7°F (1.5°C) in the month of December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Severnview, during the entire year, the rain falls for 156.2 days and collects up to 31.34" (796mm) of precipitation.

Snowfall

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

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 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What are December temperatures?

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

What is the average humidity in December?

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

How many days does it rain in December?

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

How much does it snow in Severnview in December?

In Severnview, 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 in Severnview is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5h of sunshine.

How many hours of sunshine does Severnview have in December?

In Severnview, Maryland, the average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

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 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
Severnview, MD

Average temperature in December - Severnview, 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
Severnview, MD

Average pressure in December - Severnview, 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
Severnview, MD

Average wind speed in December - Severnview, 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
Severnview, MD

Average humidity in December - Severnview, 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
Severnview, MD

Average rainfall in December - Severnview, 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 January (2.01").

Average rainfall days in December
Severnview, MD

Average rainfall days in December - Severnview, 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
Severnview, MD

Average snowfall in December - Severnview, 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
Severnview, MD

Average snowfall days in December - Severnview, 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
Severnview, MD

Average daylight in December / Average sunshine in December - Severnview, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Severnview, MD

Average sunshine days in December - Severnview, 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
Severnview, MD

Average UV index in December - Severnview, 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).

Average cloud cover in December
Severnview, MD

Average cloud cover in December - Severnview, 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
Severnview, MD

Average visibility in December - Severnview, 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).

Severnview, Maryland, USA

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