December weather forecast
Marley Park Beach, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Marley Park Beach, Maryland, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.5°F (1.4°C).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 53.6°F (12°C) to a chilly 45.5°F (7.5°C). Marley Park Beach in December anticipates an average nighttime temperature of 34.5°F (1.4°C).

Humidity

In December, the average relative humidity in Marley Park Beach is 76%.

Rainfall

In Marley Park Beach, in December, during 10.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 2.1 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) 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 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

In Marley Park Beach, Maryland, 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. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Marley Park Beach, records 45.5°F (7.5°C), while the low-temperature is 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December in Marley Park Beach, Maryland, is 76%.

How many days does it rain in December?

In December, the rain falls for 10.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in December?

In Marley Park Beach, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 28min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 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 Marley Park Beach, Maryland, the average sunshine duration in December is 5.2h.

When is the lowest UV index?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marley Park Beach.

How high is the UV index in December?

In December, the average daily maximum UV index 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
Marley Park Beach, MD

Average temperature in December - Marley Park Beach, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in December
Marley Park Beach, MD

Average pressure in December - Marley Park Beach, 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
Marley Park Beach, MD

Average wind speed in December - Marley Park Beach, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Marley Park Beach, MD

Average humidity in December - Marley Park Beach, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

Average rainfall in December
Marley Park Beach, MD

Average rainfall in December - Marley Park Beach, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in December
Marley Park Beach, MD

Average rainfall days in December - Marley Park Beach, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in December
Marley Park Beach, MD

Average snowfall in December - Marley Park Beach, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Marley Park Beach, MD

Average snowfall days in December - Marley Park Beach, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Marley Park Beach, MD

Average daylight in December / Average sunshine in December - Marley Park Beach, 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
Marley Park Beach, MD

Average sunshine days in December - Marley Park Beach, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in December
Marley Park Beach, MD

Average UV index in December - Marley Park Beach, 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
Marley Park Beach, MD

Average cloud cover in December - Marley Park Beach, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in December
Marley Park Beach, MD

Average visibility in December - Marley Park Beach, 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).

Marley Park Beach, Maryland, USA

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