December weather forecastVentnor City, NJ
December
Weather in December
December, the first month of the winter in Ventnor City, is also a frosty month, with an average temperature varying between 37.4°F (3°C) and 46°F (7.8°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a cool 54°F (12.2°C) in November to a chilly 46°F (7.8°C). The nights of December cool down to an average low of 37.4°F (3°C), subtly lower than daytime highs.Humidity
In Ventnor City, the average relative humidity in December is 76%.Rainfall
In Ventnor City, during December, the rain falls for 9.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Ventnor City, there are 140.2 rainfall days, and 18.54" (471mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Ventnor City, during December, snow falls for 2.4 days and regularly aggregates up to 0.67" (17mm) of snow. In Ventnor City, during the entire year, snow falls for 12.1 days and aggregates up to 3.35" (85mm) of snow.Ocean temperature
In Ventnor City, the average seawater temperature in December is 48.2°F (9°C).Note: Dipping in 48.2°F (9°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The month with the shortest days 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, sunrise is at 7:17 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ventnor City, NJ
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Ventnor 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
Ventnor City, NJ
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in December
Ventnor City, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Ventnor City, NJ
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Ventnor City, NJ
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Ventnor City, NJ
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ventnor City, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Ventnor 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
Ventnor 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: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Ventnor City, NJ
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Ventnor 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 and December (UV index 2).
Average cloud cover in December
Ventnor City, NJ
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Ventnor 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).





