Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December in Atlantic City sees a slight reduction in average high-temperature, with a shift from a fresh 54.1°F (12.3°C) in November to a frosty 46.2°F (7.9°C). In Atlantic City, December's low temperatures hover around an icy 38.3°F (3.5°C), reflecting a minor decrease from the daytime highs.Humidity
The average relative humidity in December in Atlantic City is 75%.Rainfall
In Atlantic City, in December, during 8.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 121.6 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.9 snowfall days, it receives 0.35" (9mm) of snow. In Atlantic City, New Jersey, during the entire year, snow falls for 10.6 days and aggregates up to 1.69" (43mm) of snow.Ocean temperature
In Atlantic City, in December, the average water temperature is 48.2°F (9°C).Note: To swim in 48.2°F (9°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.
Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine in Atlantic 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 Atlantic City. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Atlantic City?
What is the average humidity in December in Atlantic City?
How much does it rain in Atlantic City in December?
When does it start snowing in Atlantic City?
How cold is the water in December in Atlantic City?
What is the month with the shortest days in Atlantic City?
What is the average length of the day in December in Atlantic City?
When is the sunrise / sunset in December in Atlantic City?
How many hours of sunshine does Atlantic City have in December?
What is the month with the lowest UV index in Atlantic City?
What is the UV index reading in December in Atlantic City?
Average temperature in December
Atlantic City, NJ
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Atlantic 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
Atlantic City, NJ
- Average wind speed in December: 12.3mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Atlantic 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
Atlantic City, NJ
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is October (1.26").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Atlantic City, NJ
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Atlantic City, NJ
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Atlantic City, NJ
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Atlantic City, NJ
- Average sea temperature in December: 48.2°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (40.5°F).
Average daylight in December /
Average sunshine in December
Atlantic City, NJ
- Average daylight in December: 9h and 2min
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 24min).
- 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 0min).
Average sunshine days in December
Atlantic City, NJ
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (14.6 days).
Average UV index in December
Atlantic 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
Atlantic City, NJ
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Atlantic 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).
Atlantic City, New Jersey, USA
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