December weather forecast
Ocean City, MD

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The Ocean city in Maryland, with water on both sides of the city
The Ocean city in Maryland, with water on both sides of the city

Weather in December

In December, winter in Ocean City sets in earnestly, encapsulating the city in a serene, icy spectacle. December sees a return of snow as temperatures dip lower, marking the month with 0.24" (6mm) of snowfall. With the sea temperature dropping down to 50.3°F (10.2°C), beach activities yield to indoor engagements. Although the transition might bring along a chilling breeze, the city's festive atmosphere becomes vibrant with the spirit of holidays. Despite December being the last entry in Ocean City's weather annals, it leaves an unforgettable impression on those experiencing it.

Temperature

With the arrival of December, Ocean City notices a mild change in the average high-temperature, sliding from November's refreshing 55.4°F (13°C) to a frosty 48.4°F (9.1°C). December nights cool to an average low-temperature of 41.2°F (5.1°C), a marginal decrease from its daytime equivalent.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Ocean City, during December, the rain falls for 11.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 150.3 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Ocean City, during December, snow falls for 1.5 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, there are 8.1 snowfall days, and 1.22" (31mm) of snow is accumulated.

Ocean temperature

In Ocean City, in December, the average water temperature is 50.4°F (10.2°C).
Note: While a brief time in 50.4°F (10.2°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:50 pm EST.

Sunshine

In Ocean City, the average sunshine in December is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 31, 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 Ocean City, records 48.4°F (9.1°C), while the low-temperature is 41.2°F (5.1°C).

What is the average humidity in December?

The average relative humidity in December in Ocean City, Maryland, is 75%.

How many days does it rain in December?

In Ocean City, during December, the rain falls for 11.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

How many days does it snow in December?

In Ocean City, during December, snow falls for 1.5 days and regularly aggregates up to 0.24" (6mm) of snow.

How cold is the water in December?

In Ocean City, the average seawater temperature in December is 50.4°F (10.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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.

How many hours of daylight does Ocean City have in December?

The average day length in December in Ocean City, Maryland, is 9h and 33min.

When is the sunrise / sunset in December in Ocean City?

On the first day of December, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:50 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5.3h.

When is the lowest UV index?

The months with the lowest UV index in Ocean City are January 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 reading of 2, and below, represents a low health threat 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
Ocean City, MD

Average temperature in December - Ocean City, MD
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 41.2°F

The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

Average pressure in December
Ocean City, MD

Average pressure in December - Ocean City, MD
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Ocean City, MD

Average wind speed in December - Ocean City, MD
  • Average wind speed in December: 13.3mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

Average humidity in December
Ocean City, MD

Average humidity in December - Ocean City, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in December
Ocean City, MD

Average rainfall in December - Ocean City, MD
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Ocean City, MD

Average rainfall days in December - Ocean City, MD
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December
Ocean City, MD

Average snowfall in December - Ocean City, MD
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Ocean City, MD

Average snowfall days in December - Ocean City, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Ocean City, MD

Average sea temperature in December - Ocean City, MD
  • Average sea temperature in December: 50.3°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 (41.9°F).

Average daylight in December /
Average sunshine in December
Ocean City, MD

Average daylight in December / Average sunshine in December - Ocean City, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in December
Ocean City, MD

Average sunshine days in December - Ocean City, MD
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in December
Ocean City, MD

Average UV index in December - Ocean City, 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
Ocean City, MD

Average cloud cover in December - Ocean City, MD
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Ocean City, MD

Average visibility in December - Ocean City, 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).

Ocean City, Maryland, USA

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