December weather forecastPemberton, NJ
December
Weather in December
December, the first month of the winter in Pemberton, is also a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 32.7°F (0.4°C).Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 52.7°F (11.5°C) in November to a chilly 44.2°F (6.8°C). During December, Pemberton observes a consistent average nighttime temperature of 32.7°F (0.4°C).Humidity
In December, the average relative humidity is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Pemberton. In Pemberton, in December, snow falls for 3.6 days, with typically accumulated 1.5" (38mm) of snow. In Pemberton, during the entire year, snow falls for 19.6 days and aggregates up to 10.63" (270mm) of snow.Daylight
December has the shortest days of the year in Pemberton, New Jersey, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:43 pm EST.
Sunshine
In Pemberton, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. 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, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pemberton, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Pemberton, 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 (29.93"Hg).
Average wind speed in December
Pemberton, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Pemberton, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Pemberton, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Pemberton, NJ
- Average rainfall days in December: 10.9 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Pemberton, NJ
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pemberton, NJ
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pemberton, NJ
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Pemberton, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Pemberton, 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
Pemberton, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Pemberton, 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).





