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

In Ocean City, entering December brings a subtle temperature decrement, reducing from November's mild 55.4°F (13°C) to a frosty 48.4°F (9.1°C). Ocean City observes a slightly reduced average nighttime temperature of 41.2°F (5.1°C) during December.

Humidity

In Ocean City, 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. In Ocean City, during the entire year, the rain falls for 150.3 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Ocean City, in December, during 1.5 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, in Ocean City, there are 8.1 snowfall days, and 1.22" (31mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 50.4°F (10.2°C).
Note: Swimming in 50.4°F (10.2°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.

Daylight

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

Sunshine

In December, the average sunshine is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Ocean City. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the temperature in December in Ocean City?

In December, the average high-temperature and low-temperature in Ocean City, Maryland, are 48.4°F (9.1°C) and 41.2°F (5.1°C) respectively.

What is the average humidity in December in Ocean City?

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

How much does it rain in Ocean City in December?

In Ocean City, in December, it is raining for 11.5 days, with typically 1.73" (44mm) of accumulated precipitation.

How many days does it snow in December in Ocean City?

In Ocean City, Maryland, in December, during 1.5 snowfall days, 0.24" (6mm) of snow is typically accumulated.

What is the ocean temperature in December in Ocean City?

In Ocean City, Maryland, in December, the average water temperature is 50.4°F (10.2°C). Swimming in 50.4°F (10.2°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.

What is the month with the shortest days in Ocean City?

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

What is the average length of the day in December in Ocean City?

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

When are sunrise and sunset in December in Ocean City?

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

How long on average sun shines in December in Ocean City?

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

What is the month with the lowest UV index in Ocean City?

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 reading in December in Ocean City?

In December, the average daily maximum UV index in Ocean City, Maryland, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Ocean City, Maryland, USA

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