December weather forecastKeansburg, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Keansburg, New Jersey, with an average temperature varying between 43.9°F (6.6°C) and 35.4°F (1.9°C).Temperature
December's onset introduces a mild reduction in the average high-temperature, from a cool 52.2°F (11.2°C) in November to a frosty 43.9°F (6.6°C). In December, Keansburg's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 35.4°F (1.9°C).Humidity
In Keansburg, the average relative humidity in December is 76%.Rainfall
In Keansburg, New Jersey, in December, during 9.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Keansburg, during the entire year, the rain falls for 127 days and collects up to 12.99" (330mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Keansburg, New Jersey. The months with the most snowfall are January and December, with an average 0.47" (12mm) of accumulated snow.Daylight
The month with the shortest days in Keansburg, New Jersey, is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in Keansburg, New Jersey, is 5.1h.UV index
The months with the lowest UV index in Keansburg 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 low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keansburg, NJ
- Average high temperature in December: 43.9°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 (37.8°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Keansburg, 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
Keansburg, NJ
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Keansburg, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Keansburg, NJ
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Keansburg, NJ
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Keansburg, NJ
- Average snowfall in December: 0.47"
The months with the highest snowfall are January and December (0.47").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Keansburg, NJ
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is January (4.7 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
Keansburg, NJ
- Average daylight in December: 9h and 18min
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: 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 48min).
Average sunshine days in December
Keansburg, NJ
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Keansburg, 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
Keansburg, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Keansburg, 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).
