Ocean City
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Ocean City, NJ

December, the first month of the winter, in Ocean City, is still a chilly month, with average temperature fluctuating between 30.2°F (-1°C) and 46.4°F (8°C).

Temperature

In Ocean City, the average high-temperature in December drops, from a mild 55.4°F (13°C) in November, to a chilly 46.4°F (8°C). In Ocean City, New Jersey, the average low-temperature is 30.2°F (-1°C).

Rainfall

In Ocean City, in December, during 10 rainfall days, 3.3" (85mm) of precipitation is typically accumulated. In Ocean City, during the entire year, the rain falls for 112 days and collects up to 39.1" (994mm) of precipitation.

Ocean temperature

In December, the average ocean temperature in Ocean City is 48°F (8.9°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.

Daylight

December has the shortest days of the year in Ocean City, with an average of 9.5h of daylight.

Sunshine

January, November and December, with an average of 5h of sunshine, are months with the least sunshine in Ocean City, New Jersey.

UV index

Months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in December in Ocean City?

In Ocean City, New Jersey, in December, the average high-temperature is 46.4°F (8°C), and the average low-temperature is 30.2°F (-1°C).

How much does it rain in Ocean City in December?

In Ocean City, New Jersey, in December, during 10 rainfall days, 3.3" (85mm) of precipitation is typically accumulated.

How cold is the water in December in Ocean City?

In Ocean City, in December, the average water temperature is 48°F (8.9°C). Swimming in 48°F (8.9°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 9.5h of daylight, December has the shortest days of the year in Ocean City, New Jersey.

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

In Ocean City, the average length of the day in December is 9.5h.

What is the month with the least sunshine in Ocean City?

January, November and December, with an average of 5h of sunshine, are months with the least sunshine in Ocean City.

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

In Ocean City, New Jersey, the average sunshine in December is 5h.

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

Months with the lowest UV index in Ocean City, New Jersey, are January, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Ocean City?

The average daily maximum UV index in December in Ocean City is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - Ocean City, NJ
  • Average high temperature in December: 46°F

Warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average rainfall in December - Ocean City, NJ
  • Average rainfall in December: 3.3"

The wettest month (with the highest rainfall) is August (4.1").
The driest month (with the lowest rainfall) is June (2.6").

Average rainfall days in December - Ocean City, NJ
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is January (11 days).
The month with the lowest number of rainy days is October (7 days).

Average sea temperature in December - Ocean City, NJ
  • Average sea temperature in December: 48°F

The best month for swimming (with the highest average sea temperature) is August (76.5°F).
The coldest month (with the lowest average sea temperature) is February (40.3°F).

Average daylight in December / Average sunshine in December - Ocean City, NJ
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in December - Ocean City, NJ
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).