December weather forecast
Seven Stars, NJ

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Weather in December

The first month of the winter, December, is also a frosty month in Seven Stars, New Jersey, with an average temperature varying between 44.4°F (6.9°C) and 36.1°F (2.3°C).

Temperature

The arrival of December corresponds with a light shift in temperature, down from a cool 52.7°F (11.5°C) in November to a frosty 44.4°F (6.9°C). An average low-temperature of 36.1°F (2.3°C) characterizes Seven Stars's December nights.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Seven Stars, in December, during 10 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Seven Stars, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Seven Stars, during December, snow falls for 2.4 days and regularly aggregates up to 0.79" (20mm) of snow. In Seven Stars, New Jersey, during the entire year, snow falls for 13.8 days and aggregates up to 3.27" (83mm) of snow.

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 7:00 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.

Sunshine

In Seven Stars, the average sunshine in December 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. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

December temperatures vary between a high-temperature of 44.4°F (6.9°C) and a low-temperature of 36.1°F (2.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in July is evaluated at 86°F (30°C).

What is the average humidity in December?

In Seven Stars, the average relative humidity in December is 76%.

How much does it rain in December?

In December, the rain falls for 10 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

How many days does it snow in December?

In Seven Stars, in December, during 2.4 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the month with the shortest days in Seven Stars?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Seven Stars have in December?

In December, the average day length is 9h and 23min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

In Seven Stars, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Seven Stars, NJ

Average temperature in December - Seven Stars, NJ
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in December
Seven Stars, NJ

Average pressure in December - Seven Stars, 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
Seven Stars, NJ

Average wind speed in December - Seven Stars, NJ
  • Average wind speed in December: 11.5mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December
Seven Stars, NJ

Average humidity in December - Seven Stars, 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, March and November (74%).

Average rainfall in December
Seven Stars, NJ

Average rainfall in December - Seven Stars, NJ
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in December
Seven Stars, NJ

Average rainfall days in December - Seven Stars, NJ
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Seven Stars, NJ

Average snowfall in December - Seven Stars, NJ
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Seven Stars, NJ

Average snowfall days in December - Seven Stars, NJ
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (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
Seven Stars, NJ

Average daylight in December / Average sunshine in December - Seven Stars, 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 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Seven Stars, NJ

Average sunshine days in December - Seven Stars, NJ
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
Seven Stars, NJ

Average UV index in December - Seven Stars, 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
Seven Stars, NJ

Average cloud cover in December - Seven Stars, NJ
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Seven Stars, NJ

Average visibility in December - Seven Stars, 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).

Seven Stars, New Jersey, USA

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