December weather forecastOcean City, NJ
December
Weather in December
The temperature continues to decrease in December to make it one of the coldest months in Ocean City, New Jersey. The holiday spirit coats the city, amplifying the visual grandeur of the winter season. With an average daylight of 9.5 hours, outdoor activities are limited but enjoyable. Christmas festivities fill the air as streets light up in decorations and festivities. Light jackets become essential to enjoy the chilly outdoor winter activities.Temperature
The shift from November to December in Ocean City coincides with a small decrease in the average high-temperature, down to a chilly 46.2°F (7.9°C) from a fresh 54.1°F (12.3°C). Ocean City notes an average temperature descent to an icy 38.3°F (3.5°C) in December, a small shift from its daytime peak.Humidity
In Ocean City, the average relative humidity in December is 75%.Rainfall
In Ocean City, during December, the rain falls for 6.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 104.9 rainfall days, and 7.48" (190mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ocean City are January through March, May and December. December is the first month it typically snows. Throughout December, in the average 1.7 snowfall days, it receives 0.08" (2mm) of snow. In Ocean City, during the entire year, snow falls for 8 days and aggregates up to 0.63" (16mm) of snow.Ocean temperature
In December, the average ocean temperature is 48°F (8.9°C).Note: Caution: 48°F (8.9°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The month with the shortest days in Ocean City is December, 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 4:35 pm. On the last day of December, in Ocean City, New Jersey, sunrise is at 7:17 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine in Ocean City is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ocean City. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ocean City, NJ
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 38.3°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Ocean City, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Ocean City, NJ
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Ocean City, NJ
- Average humidity in December: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Ocean City, NJ
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are May and August (0.79").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Ocean City, NJ
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Ocean City, NJ
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Ocean City, NJ
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 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: 9h and 30min
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 12min
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 0min).
Average sunshine days in December
Ocean City, NJ
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in December
Ocean City, NJ
- 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, February and December (UV index 2).
Average cloud cover in December
Ocean City, NJ
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Ocean City, NJ
- 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).





