December weather forecast
Severna Park, MD

Weather in December

December, the first month of the winter in Severna Park, is still a chilly month, with an average temperature varying between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

In Severna Park, the average high-temperature in December slightly decreases from a cool 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). In Severna Park, in December, the average low-temperature is 34.7°F (1.5°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Severna Park, it is raining for 11.4 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Severna Park. In Severna Park, during 2.4 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature in Severna Park, Maryland, is 50.7°F (10.4°C).
Note: Swimming in 50.7°F (10.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

December has the shortest days of the year in Severna Park, with an average of 9h and 29min of daylight.
On the first day of December in Severna Park, 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

In Severna Park, the average sunshine in December 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 Severna Park. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Severna Park?

The average relative humidity in December in Severna Park, Maryland, is 75%.

How much does it rain in Severna Park in December?

In Severna Park, Maryland, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Severna Park in December?

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

What is the ocean temperature in December in Severna Park?

In December, the average ocean temperature in Severna Park is 50.7°F (10.4°C). Swimming in 50.7°F (10.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Severna Park?

The month with the shortest days in Severna Park, Maryland, is December, with an average of 9h and 29min of daylight.

What is the average length of the day in December in Severna Park?

The average day length in December in Severna Park, Maryland, is 9h and 29min.

What time are sunrise and sunset in December in Severna Park?

On the first day of December in Severna Park, Maryland, 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 long on average sun shines in December in Severna Park?

The average sunshine duration in December is 5.2h.

When is the lowest UV index in Severna Park?

January, November 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 Severna Park?

The average daily maximum UV index in December in Severna Park is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.

Average temperature in December
Severna Park, MD

Average temperature in December - Severna Park, 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
Severna Park, MD

Average pressure in December - Severna Park, 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
Severna Park, MD

Average wind speed in December - Severna Park, 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
Severna Park, MD

Average humidity in December - Severna Park, 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
Severna Park, MD

Average rainfall in December - Severna Park, 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
Severna Park, MD

Average rainfall days in December - Severna Park, 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
Severna Park, MD

Average snowfall in December - Severna Park, 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
Severna Park, MD

Average snowfall days in December - Severna Park, 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 sea temperature in December
Severna Park, MD

Average sea temperature in December - Severna Park, MD
  • Average sea temperature in December: 50.7°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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Average daylight in December /
Average sunshine in December
Severna Park, MD

Average daylight in December / Average sunshine in December - Severna Park, MD
  • Average daylight in December: 9h and 29min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • 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
Severna Park, MD

Average sunshine days in December - Severna Park, 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
Severna Park, MD

Average UV index in December - Severna Park, 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
Severna Park, MD

Average cloud cover in December - Severna Park, 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
Severna Park, MD

Average visibility in December - Severna Park, 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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