December weather forecast
Wertheins Corner, NJ

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Weather in December

The first month of the winter, December, is still a chilly month in Wertheins Corner, New Jersey, with an average temperature fluctuating between 36.3°F (2.4°C) and 44.4°F (6.9°C).

Temperature

Wertheins Corner, New Jersey, records a mild change in average high-temperature during December, easing from a cool 52.3°F (11.3°C) in November to a chilly 44.4°F (6.9°C). In Wertheins Corner, the December nights are characterized by an average low-temperature of 36.3°F (2.4°C), a minor dip from daytime readings.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Wertheins Corner, in December, it is raining for 8.8 days, with typically 1.1" (28mm) of accumulated precipitation. In Wertheins Corner, during the entire year, the rain falls for 122.1 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

January through March, October and December are months with snowfall in Wertheins Corner. December is the month with the most snowfall. Snow falls for 3.1 days and accumulates 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, 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 4:30 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:40 pm EST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index are January through March, 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 ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In December, in Wertheins Corner, the average high-temperature is 44.4°F (6.9°C), and the average low-temperature is 36.3°F (2.4°C).

What is the average humidity in December?

In Wertheins Corner, the average relative humidity in December is 75%.

How many days does it rain in December?

In December, in Wertheins Corner, the rain falls for 8.8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 3.1 days and accumulates 0.47" (12mm) of snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 3.1 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days in Wertheins Corner?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 22min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.

How many hours of sunshine does Wertheins Corner have in December?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Wertheins Corner, NJ

Average temperature in December - Wertheins Corner, NJ
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in December
Wertheins Corner, NJ

Average pressure in December - Wertheins Corner, 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
Wertheins Corner, NJ

Average wind speed in December - Wertheins Corner, NJ
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December
Wertheins Corner, NJ

Average humidity in December - Wertheins Corner, NJ
  • Average humidity in December: 75%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in December
Wertheins Corner, NJ

Average rainfall in December - Wertheins Corner, NJ
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Wertheins Corner, NJ

Average rainfall days in December - Wertheins Corner, NJ
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in December
Wertheins Corner, NJ

Average snowfall in December - Wertheins Corner, NJ
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

Average snowfall days in December
Wertheins Corner, NJ

Average snowfall days in December - Wertheins Corner, NJ
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (4.2 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
Wertheins Corner, NJ

Average daylight in December / Average sunshine in December - Wertheins Corner, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Wertheins Corner, NJ

Average sunshine days in December - Wertheins Corner, NJ
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in December
Wertheins Corner, NJ

Average UV index in December - Wertheins Corner, 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
Wertheins Corner, NJ

Average cloud cover in December - Wertheins Corner, 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 27).

Average visibility in December
Wertheins Corner, NJ

Average visibility in December - Wertheins Corner, 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).

Wertheins Corner, New Jersey, USA

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