December weather forecastLower Squankum, NJ
December
Weather in December
The first month of the winter, December, is also a frosty month in Lower Squankum, New Jersey, with an average temperature fluctuating between 36°F (2.2°C) and 44.2°F (6.8°C).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a fresh 52.5°F (11.4°C) in November to a chilly 44.2°F (6.8°C). Lower Squankum experiences an average nighttime temperature of 36°F (2.2°C) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December is 76%.Rainfall
In Lower Squankum, New Jersey, during December, the rain falls for 9.4 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 133.4 rainfall days, and 15.08" (383mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Lower Squankum, New Jersey. The months with the most snowfall are January and December, with an average 0.71" (18mm) of accumulated snow.Daylight
The month with the shortest days in Lower Squankum is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December in Lower Squankum is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lower Squankum. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lower Squankum, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 36°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 (28.4°F).
Average pressure in December
Lower Squankum, 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
Lower Squankum, NJ
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Lower Squankum, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in December
Lower Squankum, NJ
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Lower Squankum, NJ
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Lower Squankum, NJ
- Average snowfall in December: 0.71"
The months with the highest snowfall are January and December (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lower Squankum, NJ
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.6 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
Lower Squankum, 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
Lower Squankum, NJ
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Lower Squankum, 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, November and December (UV index 2).
Average cloud cover in December
Lower Squankum, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Lower Squankum, 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).





