December weather forecastArrowhead Village, NJ
December
Weather in December
December, the first month of the winter in Arrowhead Village, is also a frosty month, with an average temperature fluctuating between 37°F (2.8°C) and 45°F (7.2°C).Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a cool 52.9°F (11.6°C) in November to a chilly 45°F (7.2°C). Maintaining close parity with daytime warmth, the average nocturnal temperature in Arrowhead Village during December stays at an icy 37°F (2.8°C).Humidity
In December, the average relative humidity in Arrowhead Village is 76%.Rainfall
In Arrowhead Village, during December, the rain falls for 12.2 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Arrowhead Village, during the entire year, the rain falls for 158.1 days and collects up to 34.13" (867mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Arrowhead Village, during December, snow falls for 2.4 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, there are 14.1 snowfall days, and 4.76" (121mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:59 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
In December, the average sunshine is 5.1h.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 minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold 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
Arrowhead Village, NJ
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 37°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Arrowhead Village, 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
Arrowhead Village, NJ
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
Arrowhead Village, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Arrowhead Village, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Arrowhead Village, NJ
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Arrowhead Village, NJ
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Arrowhead Village, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.4 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
Arrowhead Village, 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
Arrowhead Village, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Arrowhead Village, 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
Arrowhead Village, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Arrowhead Village, 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).
