December weather forecastBergerville, NJ
December
Weather in December
December, the first month of the winter in Bergerville, is still a chilly month, with an average temperature ranging between max 44.1°F (6.7°C) and min 34.7°F (1.5°C).Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a fresh 52.3°F (11.3°C) in November to a chilly 44.1°F (6.7°C). Nighttime temperatures in Bergerville hover around an average low of 34.7°F (1.5°C) in December.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 12.6 days. Throughout December, 3.39" (86mm) of precipitation is accumulated. In Bergerville, New Jersey, during the entire year, the rain falls for 162 days and collects up to 32.2" (818mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Bergerville, in December, snow falls for 3.2 days, with typically accumulated 1.42" (36mm) of snow. In Bergerville, New Jersey, during the entire year, snow falls for 17 days and aggregates up to 5.55" (141mm) of snow.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 7:00 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
In December, the average sunshine is 5.1h.UV index
The months with the lowest UV index in Bergerville are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bergerville, NJ
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Bergerville, 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
Bergerville, NJ
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Bergerville, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Bergerville, NJ
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Bergerville, NJ
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Bergerville, NJ
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bergerville, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bergerville, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Bergerville, NJ
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Bergerville, NJ
- Average UV index in December: 2
The months with the highest UV index are 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
Bergerville, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Bergerville, 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).





