December weather forecastVineland, NJ
December
Weather in December
Come December, winter firmly establishes its hold on Vineland, with the temperature experiencing a significant drop. Daytime highs typically sit at a chilly 45.3°F (7.4°C), while the night temperatures dip further to a cold 34.2°F (1.2°C). Residents often retreat indoors to celebrate the holiday season, escaping the biting cold and occasional snow showers that hint at the full-blown winter weather on the horizon.Temperature
December is characterized by a slight reduction in average high-temperature, easing from a fresh 53.8°F (12.1°C) in November to a frosty 45.3°F (7.4°C). Vineland's average low-temperature is measured at a wintry 34.2°F (1.2°C) during December.Humidity
In Vineland, the average relative humidity in December is 77%.Rainfall
In Vineland, in December, during 9.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Vineland, New Jersey, during the entire year, the rain falls for 119.7 days and collects up to 15" (381mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Vineland, New Jersey, during December, snow falls for 2.3 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 13.6 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:36 pm. On the last day of December, in Vineland, sunrise is at 7:20 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine in Vineland is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vineland. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vineland, NJ
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Vineland, NJ
- Average pressure in December: 30.09"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).
Average wind speed in December
Vineland, NJ
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Vineland, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Vineland, NJ
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Vineland, NJ
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Vineland, NJ
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Vineland, NJ
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Vineland, NJ
- Average daylight in December: 9h and 24min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Vineland, NJ
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Vineland, 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, November and December (UV index 2).
Average cloud cover in December
Vineland, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Vineland, 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).
