December weather forecast
Alvater Corner, NJ

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Weather in December

The first month of the winter, December, is also a wintry month in Alvater Corner, New Jersey, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 29.1°F (-1.6°C).

Temperature

December brings a drop in Alvater Corner's average high-temperature, falling from a cool 50.2°F (10.1°C) in November to an icy 40.8°F (4.9°C). An average low-temperature of 29.1°F (-1.6°C) is noted in Alvater Corner during the month of December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In December, in Alvater Corner, the rain falls for 5.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Alvater Corner, there are 91.3 rainfall days, and 7.28" (185mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Alvater Corner, in December, snow falls for 2.2 days, with typically accumulated 0.59" (15mm) of snow. In Alvater Corner, during the entire year, snow falls for 14.8 days and aggregates up to 2.24" (57mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:43 pm EST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

Is it cold in Alvater Corner during December?

The high-temperature, in December, in Alvater Corner, is 40.8°F (4.9°C), while the low-temperature averages to 29.1°F (-1.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Alvater Corner?

In December, the average relative humidity in Alvater Corner, New Jersey, is 80%.

How much does it rain in Alvater Corner in December?

In Alvater Corner, New Jersey, in December, it is raining for 5.8 days, with typically 0.79" (20mm) of accumulated precipitation.

How much does it snow in Alvater Corner in December?

In Alvater Corner, in December, during 2.2 snowfall days, 0.59" (15mm) of snow is typically accumulated.

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

December has the shortest days of the year in Alvater Corner, with an average of 9h and 18min of daylight.

How many hours of daylight does Alvater Corner have in December?

In December, the average day length in Alvater Corner, New Jersey, is 9h and 20min.

What time are sunrise and sunset in December in Alvater Corner?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of the month, in Alvater Corner, New Jersey, sunrise is at 7:23 am and sunset at 4:43 pm EST.

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

The average sunshine duration in December in Alvater Corner, New Jersey, is 4.7h.

What are the months with the lowest UV index in Alvater Corner?

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

What is the UV index intensity in December in Alvater Corner?

In December, the average daily maximum UV index in Alvater Corner is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Alvater Corner, NJ

Average temperature in December - Alvater Corner, NJ
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Alvater Corner, NJ

Average pressure in December - Alvater Corner, NJ
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Alvater Corner, NJ

Average wind speed in December - Alvater Corner, NJ
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Alvater Corner, NJ

Average humidity in December - Alvater Corner, NJ
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in December
Alvater Corner, NJ

Average rainfall in December - Alvater Corner, NJ
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in December
Alvater Corner, NJ

Average rainfall days in December - Alvater Corner, NJ
  • Average rainfall days in December: 5.8 days

The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in December
Alvater Corner, NJ

Average snowfall in December - Alvater Corner, NJ
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Alvater Corner, NJ

Average snowfall days in December - Alvater Corner, NJ
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Alvater Corner, NJ

Average daylight in December / Average sunshine in December - Alvater 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 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Alvater Corner, NJ

Average sunshine days in December - Alvater Corner, NJ
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).

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Average UV index in December
Alvater Corner, NJ

Average UV index in December - Alvater Corner, NJ
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Alvater Corner, NJ

Average cloud cover in December - Alvater Corner, NJ
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Alvater Corner, NJ

Average visibility in December - Alvater Corner, NJ
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).

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Alvater Corner, New Jersey, USA

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