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 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 suggests a modest reduction in the average high-temperature, shifting from a cool 52°F in November to a chilly 43°F. New Brunswick throughout December, experiences an average nighttime temperature of 31.8°F.Humidity
February, October and December, with an average relative humidity of 77%, are the most humid months in New Brunswick.Rainfall
In New Brunswick, New Jersey, in December, it is raining for 10.2 days, with typically 2.83" of accumulated precipitation. Throughout the year, there are 149.4 rainfall days, and 28.43" of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in New Brunswick. In New Brunswick, during December, snow falls for 2.9 days and regularly aggregates up to 1.02" of snow. In New Brunswick, during the entire year, snow falls for 18.3 days and aggregates up to 8.46" of snow.Daylight
December has the shortest days of the year in New Brunswick, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
FAQ
How cold does it get in New Brunswick in December?
What is the most humid month in New Brunswick?
What is the average humidity in December in New Brunswick?
How many days does it rain in December in New Brunswick?
How much does it snow in New Brunswick in December?
What is the month with the shortest days in New Brunswick?
How many hours of daylight does New Brunswick have in December?
When are sunrise and sunset in December in New Brunswick?
How many hours of sunshine does New Brunswick have in December?
When is the lowest UV index in New Brunswick?
What is the UV index reading in December in New Brunswick?
Average temperature in December
New Brunswick, NJ
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
New Brunswick, NJ
- Average pressure in December: 30.08"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
New Brunswick, NJ
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in December
New Brunswick, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February, October and December (77%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in December
New Brunswick, NJ
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
New Brunswick, NJ
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
New Brunswick, NJ
- Average snowfall in December: 1.02"
The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
New Brunswick, NJ
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
New Brunswick, NJ
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
New Brunswick, NJ
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
New Brunswick, 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, March, November and December (UV index 2).
Average cloud cover in December
New Brunswick, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
New Brunswick, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
New Brunswick, New Jersey, USA
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